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Kemps PG, Picarsic JL, Emile JF. ALK-Positive Histiocytosis-A Distinct Histiocytic Entity Deserving Recognition. JAMA Dermatol 2024:2817888. [PMID: 38656284 DOI: 10.1001/jamadermatol.2024.0750] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/26/2024]
Affiliation(s)
- Paul G Kemps
- Department of Pathology, Leiden University Medical Center, Leiden, the Netherlands
| | - Jennifer L Picarsic
- Department of Pathology, University of Cincinnati College of Medicine, Cincinnati, Ohio
| | - Jean-François Emile
- Department of Pathology, Ambroise Paré Hospital, Assistance Publique-Hôpitaux de Paris, Boulogne, France
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2
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Shin H, Naros A, Kieninger S, Polligkeit J, Fend F, Milla J. [Rare differential diagnosis of an osteolytic lesion of the mandible in a young adult]. Pathologie (Heidelb) 2024:10.1007/s00292-024-01321-w. [PMID: 38602523 DOI: 10.1007/s00292-024-01321-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 03/04/2024] [Indexed: 04/12/2024]
Abstract
We report a rarely occurring hematologic neoplasm in a young adult. Hematologic neoplasms were first described in 2008 and are now included in both accepted tumor classification systems, i.e., International Consensus Classification and World Health Organization. This hematologic neoplasm shows a characteristic ALK positivity in immunohistochemical examination and correspondingly, ALK fusion genes in the molecular analysis. Pathologists should be aware of this entity, particularly as it is challenging to differentiate from other more frequent neoplasms of the same disease group or mesenchymal neoplasm with ALK aberration.
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Affiliation(s)
- Hyunkyu Shin
- Institut für Pathologie und Neuropathologie, Universitätsklinikum Tübingen, Tübingen, Deutschland
| | - Andreas Naros
- Klinik und Poliklinik für Mund‑, Kiefer- und Gesichtschirurgie, Universitätsklinikum Tübingen, Tübingen, Deutschland
| | - Sinja Kieninger
- Institut für Pathologie und Neuropathologie, Universitätsklinikum Tübingen, Tübingen, Deutschland
| | - Joachim Polligkeit
- Klinik und Poliklinik für Mund‑, Kiefer- und Gesichtschirurgie, Universitätsklinikum Tübingen, Tübingen, Deutschland
| | - Falko Fend
- Institut für Pathologie und Neuropathologie, Universitätsklinikum Tübingen, Tübingen, Deutschland
| | - Jakob Milla
- Institut für Pathologie und Neuropathologie, Universitätsklinikum Tübingen, Tübingen, Deutschland.
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3
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Kemps PG, Kester L, Scheijde-Vermeulen MA, van Noesel CJM, Verdijk RM, Diepstra A, van Marion AMW, Dors N, van den Bos C, Bruggink AH, Hogendoorn PCW, van Halteren AGS. Demographics and additional haematologic cancers of patients with histiocytic/dendritic cell neoplasms. Histopathology 2024; 84:837-846. [PMID: 38213281 DOI: 10.1111/his.15127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Revised: 11/28/2023] [Accepted: 12/13/2023] [Indexed: 01/13/2024]
Abstract
AIMS The discovery of somatic genetic alterations established many histiocytic disorders as haematologic neoplasms. We aimed to investigate the demographic characteristics and additional haematologic cancers of patients diagnosed with histiocytic disorders in The Netherlands. METHODS AND RESULTS We retrieved data on histiocytosis patients from the Dutch Nationwide Pathology Databank (Palga). During 1993 to 2022, more than 4000 patients with a pathologist-assigned diagnosis of a histiocytic disorder were registered in Palga. Xanthogranulomas were the most common subtype, challenging the prevailing assumption that Langerhans cell histiocytosis (LCH) is the most common histiocytic disorder. LCH and juvenile xanthogranuloma (JXG) had a peak incidence in the first years of life; males were overrepresented among all histiocytosis subgroups. 118 patients had a histiocytic disorder and an additional haematologic malignancy, including 107 (91%) adults at the time of histiocytosis diagnosis. In 16/118 patients, both entities had been analysed for the same genetic alteration(s). In 11 of these 16 patients, identical genetic alterations had been detected in both haematologic neoplasms. This included two patients with PAX5 p.P80R mutated B cell acute lymphoblastic leukaemia and secondary histiocytic sarcoma, further supporting that PAX5 alterations may predispose (precursor) B cells to differentiate into the myeloid lineage. All 4/11 patients with myeloid neoplasms as their additional haematologic malignancy had shared N/KRAS mutations. CONCLUSIONS This population-based study highlights the frequency of xanthogranulomas. Furthermore, our data add to the growing evidence supporting clonal relationships between histiocytic/dendritic cell neoplasms and additional myeloid or lymphoid malignancies. Particularly adult histiocytosis patients should be carefully evaluated for the development of these associated haematologic cancers.
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Affiliation(s)
- Paul G Kemps
- Department of Pathology, Leiden University Medical Center, Leiden, the Netherlands
- Princess Máxima Center for Pediatric Oncology, Utrecht, the Netherlands
| | - Lennart Kester
- Princess Máxima Center for Pediatric Oncology, Utrecht, the Netherlands
| | | | - Carel J M van Noesel
- Department of Pathology, Amsterdam University Medical Centers, Amsterdam, the Netherlands
| | - Robert M Verdijk
- Department of Pathology, Leiden University Medical Center, Leiden, the Netherlands
- Department of Pathology, Erasmus MC University Medical Center Rotterdam, Rotterdam, the Netherlands
| | - Arjan Diepstra
- Department of Pathology, University Medical Center Groningen, Groningen, the Netherlands
| | | | - Natasja Dors
- Princess Máxima Center for Pediatric Oncology, Utrecht, the Netherlands
| | - Cor van den Bos
- Princess Máxima Center for Pediatric Oncology, Utrecht, the Netherlands
| | | | | | - Astrid G S van Halteren
- Department of Pathology, Leiden University Medical Center, Leiden, the Netherlands
- Princess Máxima Center for Pediatric Oncology, Utrecht, the Netherlands
- Department of Internal Medicine, Section Clinical Immunology, Erasmus MC University Medical Center Rotterdam, Rotterdam, the Netherlands
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Wang SH, Huang HY, Medeiros LJ, Chang KC. ALK-positive histiocytosis of external auditory canal in a 3-year-old boy. Am J Hematol 2024; 99:739-740. [PMID: 37883378 DOI: 10.1002/ajh.27143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Accepted: 10/13/2023] [Indexed: 10/28/2023]
Affiliation(s)
- Shu-Hsien Wang
- Department of Pathology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Hsuan-Ying Huang
- Department of Anatomic Pathology, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University, College of Medicine, Kaohsiung, Taiwan
| | - L Jeffrey Medeiros
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Kung-Chao Chang
- Department of Pathology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
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Choi JK, Xiao W, Chen X, Loghavi S, Elenitoba-Johnson KS, Naresh KN, Medeiros LJ, Czader M. Fifth Edition of the World Health Organization Classification of Tumors of the Hematopoietic and Lymphoid Tissues: Acute Lymphoblastic Leukemias, Mixed-Phenotype Acute Leukemias, Myeloid/Lymphoid Neoplasms With Eosinophilia, Dendritic/Histiocytic Neoplasms, and Genetic Tumor Syndromes. Mod Pathol 2024; 37:100466. [PMID: 38460674 DOI: 10.1016/j.modpat.2024.100466] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Revised: 02/11/2024] [Accepted: 03/01/2024] [Indexed: 03/11/2024]
Abstract
This manuscript represents a review of lymphoblastic leukemia/lymphoma (acute lymphoblastic leukemia/lymphoblastic lymphoma), acute leukemias of ambiguous lineage, mixed-phenotype acute leukemias, myeloid/lymphoid neoplasms with eosinophilia and defining gene rearrangements, histiocytic and dendritic neoplasms, and genetic tumor syndromes of the 5th edition of the World Health Organization Classification of Tumors of the Hematopoietic and Lymphoid Tissues. The diagnostic, clinicopathologic, cytogenetic, and molecular genetic features are discussed. The differences in comparison to the 4th revised edition of the World Health Organization classification of hematolymphoid neoplasms are highlighted.
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Affiliation(s)
- John K Choi
- Department of Pathology, University of Alabama at Birmingham, Birmingham, Alabama
| | - Wenbin Xiao
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Xueyan Chen
- Section of Pathology, Translational Science and Therapeutics Division, Fred Hutchinson Cancer Center, Seattle, Washington; Department of Laboratory Medicine and Pathology, University of Washington, Seattle, Washington
| | - Sanam Loghavi
- Department of Hematopathology, MD Anderson Cancer Center, Houston, Texas
| | - Kojo S Elenitoba-Johnson
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Kikkeri N Naresh
- Section of Pathology, Translational Science and Therapeutics Division, Fred Hutchinson Cancer Center, Seattle, Washington; Department of Laboratory Medicine and Pathology, University of Washington, Seattle, Washington
| | - L Jeffrey Medeiros
- Department of Hematopathology, MD Anderson Cancer Center, Houston, Texas
| | - Magdalena Czader
- Department of Pathology and Laboratory Medicine, Indiana University School of Medicine, Indianapolis, Indiana.
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Kalinova M, Mrhalova M, Kabickova E, Svaton M, Skotnicova A, Prouzova Z, Krenova Z, Kolenova A, Divoka M, Fronkova E, Kodet R. Molecular Screening in Anaplastic Lymphoma Kinase-Positive Anaplastic Large Cell Lymphoma: Anaplastic Lymphoma Kinase Analysis, Next-Generation Sequencing Fusion Gene Detection, and T-Cell Receptor Immunoprofiling. Mod Pathol 2024; 37:100428. [PMID: 38266918 DOI: 10.1016/j.modpat.2024.100428] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 12/08/2023] [Accepted: 01/16/2024] [Indexed: 01/26/2024]
Abstract
Anaplastic lymphoma kinase-positive anaplastic large cell lymphoma (ALK+ ALCL) originates from the T-lineage and is marked by rearrangements of the ALK gene. More than 10 fusion partners with the ALK gene are known, with the most common being the t(2;5)(p23;q35) translocation resulting in the NPM1::ALK fusion. In 10% to 20% of the ALK+ ALCL cases, the ALK gene fuses with various other partners. Modern molecular techniques, especially next-generation sequencing (NGS), have eased the identification of ALK gene fusion partners and have allowed in-depth characterization of the T-cell receptor (TCR) repertoire. We devised a real-time quantitative reverse-transcription polymerase chain reaction to measure the expression of the translocated portion of the ALK gene. Fusion partners for the ALK gene were analyzed using rapid amplification of 5'cDNA ends (RACE) method or NGS. TCR immunoprofiling was performed by amplicon NGS. We studied 96 ALK+ ALCL patients. NPM1::ALK fusion gene was observed in 71 patients, ATIC::ALK in 9, and TPM3::ALK in 3. CLTC::ALK, MYH9::ALK, and RNF213::ALK fusions were identified in 2 patients each. We also discovered the TPM4::ALK and SATB1::ALK fusion genes, plus the following 2 previously unidentified ALK+ ALCL fusions: SQSTM1::ALK and CAPRIN1::ALK. High expression of the translocated ALK gene segment was observed in all 93 analyzed samples. TCR testing was conducted on 23 patients with available DNA. In 18 (78%) patients, we discerned at least one (ranging from 1 to 4) clonal TCR rearrangement. In 59% of the patients, clonal TCR beta junctions corresponded with sequences previously observed in both healthy donors and under various pathological conditions. Reverse-transcriptase quantitative detection of ALK expression is a fast and reliable method for both diagnosing and monitoring treatment response in ALK+ ALCL patients, irrespective of the ALK gene translocation. NGS reveals new ALK translocation partners. Both malignant and reactive TCR repertoires in ALK+ ALCL patients are unique and do not consistently occur among different patients.
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Affiliation(s)
- Marketa Kalinova
- Department of Pathology, 3rd Faculty of Medicine, Charles University, Prague, Czech Republic; Central Laboratories, Faculty Hospital Kralovske Vinohrady, Prague, Czech Republic; Department of Pathology and Molecular Medicine, 2nd Faculty of Medicine, Charles University, Prague, Czech Republic.
| | - Marcela Mrhalova
- Department of Pathology and Molecular Medicine, 2nd Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Edita Kabickova
- CLIP, Department of Pediatric Hematology and Oncology, 2nd Faculty of Medicine, Charles University and University Hospital Motol, Prague, Czech Republic
| | - Michael Svaton
- CLIP, Department of Pediatric Hematology and Oncology, 2nd Faculty of Medicine, Charles University and University Hospital Motol, Prague, Czech Republic
| | - Aneta Skotnicova
- CLIP, Department of Pediatric Hematology and Oncology, 2nd Faculty of Medicine, Charles University and University Hospital Motol, Prague, Czech Republic
| | - Zuzana Prouzova
- Department of Pathology, 3rd Faculty of Medicine, Charles University, Prague, Czech Republic; Department of Pathology and Molecular Medicine, 2nd Faculty of Medicine, Charles University, Prague, Czech Republic; Department of Pathology, 1st Faculty of Medicine, VFN, Charles University, Prague, Czech Republic
| | - Zdenka Krenova
- Department of Pediatric Oncology, University Hospital Brno, Brno, Czech Republic; Department of Pediatrics, Faculty of Medicine Masaryk University, Brno, Czech Republic
| | - Alexandra Kolenova
- Department of Pediatric Hematology and Oncology, Faculty of Medicine, Comenius University Bratislava, Bratislava, Slovak Republic
| | - Martina Divoka
- Department of Hematooncology, Faculty Hospital Olomouc, Olomouc, Czech Republic
| | - Eva Fronkova
- CLIP, Department of Pediatric Hematology and Oncology, 2nd Faculty of Medicine, Charles University and University Hospital Motol, Prague, Czech Republic.
| | - Roman Kodet
- Department of Pathology and Molecular Medicine, 2nd Faculty of Medicine, Charles University, Prague, Czech Republic
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Wang J, Zheng Y, Xiong Y. Imaging features of ALK-positive histiocytosis with neurological involvement: a case report and literature review. Front Oncol 2024; 14:1333519. [PMID: 38463230 PMCID: PMC10921790 DOI: 10.3389/fonc.2024.1333519] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2023] [Accepted: 02/01/2024] [Indexed: 03/12/2024] Open
Abstract
Background ALK-positive histiocytosis is an exceptionally rare neoplasm of histiocytes that predominantly involves the nervous system and can also affect the skin and other parts of the body. Previous relevant literature has provided limited information regarding the imaging manifestations of this disease with neurological involvement. Methods We reported a case of ALK-positive histiocytosis with multisystem involvement. Together with a comprehensive literature review, the imaging characteristics of this disease in the nervous system were summarized. Results A 3-year-old girl with abdominal pain and ambulation difficulty checked in at the Department of Pediatric Neurology. The initial diagnosis was "acute cerebellitis with ataxia" based on the elevated protein level in the cerebrospinal fluid (CSF). However, despite 3 months of treatment, her condition deteriorated. MRI showed an oval-shaped, intradural extramedullary nodule at the T6-T7 level. The patient was ultimately diagnosed as ALK-positive histiocytosis, accompanied by cauda equina and skin involvement. The literature review showed a total of 23 patients who had involvement of the nervous system and provided imaging descriptions. Together with our case, the imaging features were summarized as follows: iso-dense or slightly hyperdense on computed tomography (CT), isointense or iso-hypointense on T2-weighted imaging (T2WI), moderate homogeneous enhancement with mildly/markedly punctate enhancement or/and smooth ring enhancement on contrast-enhanced T1-weighted imaging (T1WI), restricted diffusion on diffuse weighted imaging (DWI), and elevated fluorodeoxyglucose (FDG) uptake on positron-emission tomography/computed tomography (PET/CT). Conclusion The multimodal imaging findings of ALK-positive histiocytosis exhibit distinct characteristics, familiarity with which will enhance radiologists' expertise and facilitate accurate diagnosis of this disease.
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Affiliation(s)
- Juan Wang
- Department of Radiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yan Zheng
- Department of Pathology, The Fifth Hospital of Xiamen, Xiamen, China
| | - Ying Xiong
- Department of Radiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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Mousa DPV, Mavrovounis G, Argyropoulos D, Stranjalis G, Kalamatianos T. Anaplastic Lymphoma Kinase (ALK) in Posterior Cranial Fossa Tumors: A Scoping Review of Diagnostic, Prognostic, and Therapeutic Perspectives. Cancers (Basel) 2024; 16:650. [PMID: 38339401 PMCID: PMC10854950 DOI: 10.3390/cancers16030650] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2023] [Revised: 01/25/2024] [Accepted: 01/29/2024] [Indexed: 02/12/2024] Open
Abstract
Anaplastic Lymphoma Kinase (ALK) has been implicated in several human cancers. This review aims at mapping the available literature on the involvement of ALK in non-glial tumors localized in the posterior cranial fossa and at identifying diagnostic, prognostic, and therapeutic considerations. Following the PRISMA-ScR guidelines, studies were included if they investigated ALK's role in primary CNS, non-glial tumors located in the posterior cranial fossa. A total of 210 manuscripts were selected for full-text review and 16 finally met the inclusion criteria. The review included 55 cases of primary, intracranial neoplasms with ALK genetic alterations and/or protein expression, located in the posterior fossa, comprising of medulloblastoma, anaplastic large-cell lymphoma, histiocytosis, inflammatory myofibroblastic tumors, and intracranial myxoid mesenchymal tumors. ALK pathology was investigated via immunohistochemistry or genetic analysis. Several studies provided evidence for potential diagnostic and prognostic value for ALK assessment as well as therapeutic efficacy in its targeting. The available findings on ALK in posterior fossa tumors are limited. Nevertheless, previous findings suggest that ALK assessment is of diagnostic and prognostic value in medulloblastoma (WNT-activated). Interestingly, a substantial proportion of ALK-positive/altered CNS histiocytoses thus far identified have been localized in the posterior fossa. The therapeutic potential of ALK inhibition in histiocytosis warrants further investigation.
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Affiliation(s)
| | - Georgios Mavrovounis
- Department of Neurosurgery, Faculty of Medicine, School of Health Sciences, University of Thessaly, 41334 Larissa, Greece;
- Department of Neurosurgery, Evangelismos Hospital, School of Medicine, Faculty of Health Sciences, National and Kapodistrian University of Athens, 10676 Athens, Greece;
| | - Dionysios Argyropoulos
- Department of Psychiatry, Eginition Hospital, National and Kapodistrian University of Athens, 11528 Athens, Greece;
| | - George Stranjalis
- Department of Neurosurgery, Evangelismos Hospital, School of Medicine, Faculty of Health Sciences, National and Kapodistrian University of Athens, 10676 Athens, Greece;
| | - Theodosis Kalamatianos
- Department of Neurosurgery, Evangelismos Hospital, School of Medicine, Faculty of Health Sciences, National and Kapodistrian University of Athens, 10676 Athens, Greece;
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Linos K, Chang JC, Busam KJ. A cutaneous epithelioid vascular tumor harboring a TPM3::ALK fusion. Genes Chromosomes Cancer 2024; 63:e23207. [PMID: 37787425 PMCID: PMC10842594 DOI: 10.1002/gcc.23207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Revised: 09/13/2023] [Accepted: 09/23/2023] [Indexed: 10/04/2023] Open
Abstract
Substantial progress has been made in understanding the molecular pathways associated with vascular tumors over the last two decades. In addition to mutations and copy number aberrations, fusions have emerged as significant contributors to the pathogenesis of a notable subset of vascular tumors. In this report, we present a case of an unusual intradermal vascular tumor with epithelioid cytomorphology. Immunohistochemistry revealed diffuse positivity for CD31, ERG and Factor VIII, supporting its endothelial lineage. RNA sequencing (ArcherFusion Plex) revealed the presence of an in-frame fusion between the genes TPM3 Exon 8 and ALK Exon 20. Immunohistochemistry confirmed ALK expression by the endothelial cells. To our knowledge, this is the first documented case of a vascular tumor harboring an ALK fusion. It may fall within the spectrum of epithelioid hemangiomas; nevertheless, we cannot definitively exclude the possibility of it being a distinct and potentially unique benign entity on its own.
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Affiliation(s)
- Konstantinos Linos
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Jason C Chang
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Klaus J Busam
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, New York, USA
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Emile JF, Hélias-Rodzewicz Z, Durham BH, Héritier S, da Silva M, Younas K, Cohen-Aubart F, Abdel-Wahab O, Diamond EL, Donadieu J, Haroche J. Histiocytic neoplasm subtypes differ in their MAP2K1 mutational type. Blood Adv 2023; 7:7254-7257. [PMID: 37878806 PMCID: PMC10698544 DOI: 10.1182/bloodadvances.2023011414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 10/02/2023] [Accepted: 10/16/2023] [Indexed: 10/27/2023] Open
Affiliation(s)
- Jean-François Emile
- Paris-Saclay University, Versailles SQY University, Assistance Publique–Hôpitaux de Paris, Ambroise-Paré Hospital, Smart Imaging, Service de Pathologie, Boulogne, France
| | - Zofia Hélias-Rodzewicz
- Paris-Saclay University, Versailles SQY University, Assistance Publique–Hôpitaux de Paris, Ambroise-Paré Hospital, Smart Imaging, Service de Pathologie, Boulogne, France
| | - Benjamin H. Durham
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Sébastien Héritier
- Sorbonne Université, Assistance Publique–Hôpitaux de Paris, Armand-Trousseau Hospital, Service d'Hématologie Oncologie Pédiatrique, Centre de Référence des Histiocytoses and Centre d’immunologie et des maladies infectieuses UMRS 1135, Paris, France
| | - Malik da Silva
- Paris-Saclay University, Versailles SQY University, Assistance Publique–Hôpitaux de Paris, Ambroise-Paré Hospital, Smart Imaging, Service de Pathologie, Boulogne, France
| | - Komel Younas
- Paris-Saclay University, Versailles SQY University, Assistance Publique–Hôpitaux de Paris, Ambroise-Paré Hospital, Smart Imaging, Service de Pathologie, Boulogne, France
| | - Fleur Cohen-Aubart
- Internal Medicine Department 2, French National Referral Center for Rare Systemic Diseases and Histiocytoses, Sorbonne University, Assistance Publique–Hôpitaux de Paris, Pitié-Salpêtrière Hospital, Paris, France
| | - Omar Abdel-Wahab
- Molecular Pharmacology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Eli L. Diamond
- Department of Neurology, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Jean Donadieu
- Assistance Publique–Hôpitaux de Paris, Armand-Trousseau Hospital, Service d'Hématologie Oncologie Pédiatrique, Centre de Référence des Histiocytoses, Paris-Saclay University, Versailles SQY University, Paris, France
| | - Julien Haroche
- Internal Medicine Department 2, French National Referral Center for Rare Systemic Diseases and Histiocytoses, Sorbonne University, Assistance Publique–Hôpitaux de Paris, Pitié-Salpêtrière Hospital, Paris, France
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11
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Tan HEI, Lakshmanan R, Warne R, Walwyn T, Roebuck D. Neuroimaging manifestations of paediatric histiocytoses. J Med Imaging Radiat Oncol 2023. [PMID: 37964685 DOI: 10.1111/1754-9485.13602] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Accepted: 10/23/2023] [Indexed: 11/16/2023]
Abstract
Histiocytoses are rare multi-system disorders marked by abnormal histiocyte cell proliferation, affecting children with diverse clinical presentations. Classified into five groups in 2016, including Langerhans-related (L), cutaneous (C), malignant (M), Rosai-Dorfman disease (R) and haemophagocytic lymphohistiocytosis (H), newer entities such as ALK-positive histiocytosis have also emerged, heralding the era of molecular (sub)classification. Common entities include Langerhans cell histiocytosis (LCH), Erdheim-Chester disease (ECD), Rosai-Dorfman disease (RDD) and haemophagocytic lymphohistiocytosis (HLH). This pictorial essay aids radiologists in recognising and differentiating paediatric histiocytoses based on unique neuroimaging features.
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Affiliation(s)
- Hsern Ern Ivan Tan
- Department of Medical Imaging, Perth Children's Hospital, Perth, Western Australia, Australia
- Department of Medical Imaging, Fiona Stanley Hospital, Perth, Western Australia, Australia
| | - Rahul Lakshmanan
- Department of Medical Imaging, Perth Children's Hospital, Perth, Western Australia, Australia
- University of Western Australia, Perth, Western Australia, Australia
| | - Richard Warne
- Department of Medical Imaging, Perth Children's Hospital, Perth, Western Australia, Australia
| | - Thomas Walwyn
- University of Western Australia, Perth, Western Australia, Australia
- Department of Oncology, Perth Children's Hospital, Perth, Western Australia, Australia
| | - Derek Roebuck
- Department of Medical Imaging, Perth Children's Hospital, Perth, Western Australia, Australia
- University of Western Australia, Perth, Western Australia, Australia
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Auerbach A, Aguilera NS. The changing landscape of pediatric histiocytoses: Birth, life, and transdifferentiation of pediatric histiocytes. Semin Diagn Pathol 2023; 40:420-428. [PMID: 37258365 DOI: 10.1053/j.semdp.2023.05.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Accepted: 05/19/2023] [Indexed: 06/02/2023]
Abstract
Histiocytic neoplasms in the children are very rare, and histiocytoses can occur in the perinatal period. The presumed origins and presentation of specific histiocytoses in the pediatric age group are described. Common and newly described histiocytoses are presented including Langerhans cell histiocytosis, Rosai-Dorfman disease, histiocytic sarcoma, ALK positive histiocytosis, and hemophagocytic lymphohistiocytosis. Molecular findings common to pediatric histiocytoses are also discussed.
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Affiliation(s)
- Aaron Auerbach
- Joint Pathology Center, Silver Spring, MD, United States of America
| | - Nadine S Aguilera
- University of Virginia Health System, Charlottesville, VA, United States of America.
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Singh A, Obiorah IE. Aggressive non-Hodgkin lymphoma in the pediatric and young adult population; diagnostic and molecular pearls of wisdom. Semin Diagn Pathol 2023; 40:392-400. [PMID: 37400280 DOI: 10.1053/j.semdp.2023.06.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/15/2023] [Revised: 06/12/2023] [Accepted: 06/20/2023] [Indexed: 07/05/2023]
Abstract
Mature non-Hodgkin lymphomas (NHLs) of the pediatric and young adults(PYA), including Burkitt lymphoma (BL), diffuse large B cell lymphoma (DLBCL), high-grade B cell lymphoma (HGBCL), primary mediastinal large B cell lymphoma (PMBL) and anaplastic large cell lymphoma (ALCL), generally have excellent prognosis compared to the adult population. BL, DLBCL and HGBCL are usually of germinal center (GCB) origin in the PYA population. PMBL neither belongs to the GCB nor the activated B cell subtype and is associated with a poorer outcome than BL or DLBCL of comparable stage. Anaplastic large cell lymphoma is the most frequent peripheral T cell lymphoma occurring in the PYA and accounts for 10-15% of childhood NHL. Most pediatric ALCL, unlike in the adult, demonstrate expression of anaplastic lymphoma kinase (ALK). In recent years, the understanding of the biology and molecular features of these aggressive lymphomas has increased tremendously. This has led to reclassification of newer PYA entities including Burkitt-like lymphoma with 11q aberration. In this review, we will discuss the current progress discovered in frequently encountered aggressive NHLs in the PYA, highlighting the clinical, pathologic and molecular features that aid in the diagnosis of these aggressive lymphomas. We will be updating the new concepts and terminologies used in the new classification systems.
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Affiliation(s)
- Amrit Singh
- Department of Pathology , University of Virginia Health, Charlottesville, VA, 22903, United States
| | - Ifeyinwa E Obiorah
- Department of Pathology , University of Virginia Health, Charlottesville, VA, 22903, United States.
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14
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Falini B, Lazzi S, Pileri S. A comparison of the International Consensus and 5th WHO classifications of T-cell lymphomas and histiocytic/dendritic cell tumours. Br J Haematol 2023; 203:369-383. [PMID: 37387351 DOI: 10.1111/bjh.18940] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 05/17/2023] [Accepted: 06/05/2023] [Indexed: 07/01/2023]
Abstract
Since the publication in 2017 of the revised 4th Edition of the World Health Organization (WHO) classification of haematolymphoid tumours, here referred to as WHO-HAEM4, significant clinicopathological, immunophenotypic and molecular advances have been made in the field of lymphomas, contributing to refining the diagnostic criteria of several diseases, upgrading entities previously defined as provisional and identifying new entities. This process has resulted in two recent classification proposals of lymphoid neoplasms: the International Consensus Classification (ICC) and the 5th edition of the WHO classification (WHO-HAEM5). In this paper, we review and compare the two classifications in terms of diagnostic criteria and entity definition, focusing on T-cell lymphomas and histiocytic/dendritic cell tumours. Moreover, we update the genetic data of the various pathological entities. The main goal is to provide a tool to facilitate the work of the pathologists, haematologists and researchers involved in the diagnosis and treatment of these haematological malignancies.
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Affiliation(s)
- Brunangelo Falini
- Institute of Haematology and CREO, University and Santa Maria della Misericordia Hospital of Perugia, Perugia, Italy
| | - Stefano Lazzi
- Department of Medical Biotechnology, Institute of Pathology, University of Siena, Siena, Italy
| | - Stefano Pileri
- European Institute of Oncology IRCCS, Milan, Italy
- Diatech Pharmacogenetics, Jesi, Italy
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15
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Soylemez Akkurt T, Dur Karasayar AH, Gurbuz BC, Altınay S, Yuzkan S, Baskan F. Letter to the Editor Regarding "Local ALK-Positive Histiocytosis with Unusual Morphology and Novel TRIM33::ALK Gene Fusion" by Tran et al. Int J Surg Pathol 2023; 31:1426-1429. [PMID: 36471533 DOI: 10.1177/10668969221143480] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
| | | | - Begum Calim Gurbuz
- Pathology Department, Basaksehir Cam and Sakura City Hospital, Istanbul, Turkey
| | - Semra Altınay
- Pathology Department, Basaksehir Cam and Sakura City Hospital, Istanbul, Turkey
| | - Sabahattin Yuzkan
- Radiology Department, Basaksehir Cam and Sakura City Hospital, Istanbul, Turkey
| | - Fikret Baskan
- Neurosurgery Department, Basaksehir Cam and Sakura City Hospital, Istanbul, Turkey
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16
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Crowley HM, Georgantzoglou N, Tse JY, Williams EA, Mata DA, Martin SS, Guitart J, Bridge JA, Linos K. Expanding Our Knowledge of Molecular Pathogenesis in Histiocytoses: Solitary Soft Tissue Histiocytomas in Children With a Novel CLTC::SYK Fusion. Am J Surg Pathol 2023; 47:1108-1115. [PMID: 37522373 DOI: 10.1097/pas.0000000000002102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/01/2023]
Abstract
The histiocytoses comprise a histopathologically and clinically diverse group of disorders bearing recurrent genomic alterations, commonly involving the BRAF gene and mitogen-activated protein kinase pathway. In the current study, a novel CLTC :: SYK fusion in 3 cases of a histopathologically distinct histiocytic neoplasm arising as solitary soft tissue lesions in children identified by next-generation sequencing and fluorescence in situ hybridization is described. Morphologically, all 3 neoplasms were composed of sheets of cells with round-oval nuclei and vacuolated eosinophilic cytoplasm but, in contrast to classic juvenile xanthogranuloma (JXG), Touton giant cells were absent. A separate cohort of classic JXG cases subsequently profiled by fluorescence in situ hybridization were negative for the presence of a CLTC::SYK fusion suggesting that CLTC::SYK fusion-positive histiocytoma is genetically and histologically distinct from JXG. We postulate that the CLTC::SYK fusion leads to aberrant activation of the SYK kinase, which is involved in variable pathways, including mitogen-activated protein kinase. The identification of a novel CLTC::SYK fusion may pave the way for the development of targeted therapeutic options for aggressive disease.
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Affiliation(s)
- Helena M Crowley
- Division of Pediatric Surgery and Urology, University of Maryland Children's Hospital
| | - Natalia Georgantzoglou
- Department of Pathology and Laboratory Medicine, Dartmouth Hitchcock Medical Center, Lebanon, NH
| | | | | | | | - Stuart S Martin
- Department of Pharmacology and Physiology, University of Maryland School of Medicine, Baltimore, MD
| | - Joan Guitart
- Department of Dermatology, Northwestern University Feinberg School of Medicine, Chicago, IL
| | - Julia A Bridge
- Division of Molecular Pathology, ProPath, Dallas, TX
- Department of Pathology and Microbiology, University of Nebraska Medical Center, Omaha, NE
| | - Konstantinos Linos
- Department of Pathology & Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, NY
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Shreenivas A, Janku F, Gouda MA, Chen HZ, George B, Kato S, Kurzrock R. ALK fusions in the pan-cancer setting: another tumor-agnostic target? NPJ Precis Oncol 2023; 7:101. [PMID: 37773318 PMCID: PMC10542332 DOI: 10.1038/s41698-023-00449-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2023] [Accepted: 09/05/2023] [Indexed: 10/01/2023] Open
Abstract
Anaplastic lymphoma kinase (ALK) alterations (activating mutations, amplifications, and fusions/rearrangements) occur in ~3.3% of cancers. ALK fusions/rearrangements are discerned in >50% of inflammatory myofibroblastic tumors (IMTs) and anaplastic large cell lymphomas (ALCLs), but only in ~0.2% of other cancers outside of non-small cell lung cancer (NSCLC), a rate that may be below the viability threshold of even large-scale treatment trials. Five ALK inhibitors -alectinib, brigatinib, ceritinb, crizotinib, and lorlatinib-are FDA approved for ALK-aberrant NSCLCs, and crizotinib is also approved for ALK-aberrant IMTs and ALCL, including in children. Herein, we review the pharmacologic tractability of ALK alterations, focusing beyond NSCLC. Importantly, the hallmark of approved indications is the presence of ALK fusions/rearrangements, and response rates of ~50-85%. Moreover, there are numerous reports of ALK inhibitor activity in multiple solid and hematologic tumors (e.g., histiocytosis, leiomyosarcoma, lymphoma, myeloma, and colorectal, neuroendocrine, ovarian, pancreatic, renal, and thyroid cancer) bearing ALK fusions/rearrangements. Many reports used crizotinib or alectinib, but each of the approved ALK inhibitors have shown activity. ALK inhibitor activity is also seen in neuroblastoma, which bear ALK mutations (rather than fusions/rearrangements), but response rates are lower (~10-20%). Current data suggests that ALK inhibitors have tissue-agnostic activity in neoplasms bearing ALK fusions/rearrangements.
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Affiliation(s)
- Aditya Shreenivas
- Medical College of Wisconsin (MCW) Cancer Center, Milwaukee, WI, USA.
| | | | - Mohamed A Gouda
- Department of Investigational Cancer Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Hui-Zi Chen
- Medical College of Wisconsin (MCW) Cancer Center, Milwaukee, WI, USA
| | - Ben George
- Medical College of Wisconsin (MCW) Cancer Center, Milwaukee, WI, USA
| | - Shumei Kato
- Center for Personalized Cancer Therapy and Division of Hematology and Oncology, Department of Medicine, UC San Diego Moores Cancer Center, La Jolla, CA, USA
| | - Razelle Kurzrock
- Medical College of Wisconsin (MCW) Cancer Center, Milwaukee, WI, USA.
- University of Nebraska, Omaha, NE, USA.
- Worldwide Innovative Network (WIN) for Personalized Cancer Therapy, Chevilly-Larue, France.
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18
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Razanamahery J, Godot A, Leguy-Seguin V, Samson M, Audia S, Bonnotte B. Impact of BRAFV600E mutation on aggressiveness and outcomes in adult clonal histiocytosis. Front Immunol 2023; 14:1260193. [PMID: 37809108 PMCID: PMC10556468 DOI: 10.3389/fimmu.2023.1260193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Accepted: 09/04/2023] [Indexed: 10/10/2023] Open
Abstract
Histiocytoses encompass a wide spectrum of diseases, all characterized by tissue infiltration by CD68+ histiocytes. Most adult histiocytoses are considered clonal diseases because they highlight recurrent somatic mutations in the MAP-kinase pathway gene, primarily BRAF. The presence of BRAF mutation is associated with widespread disease in children with Langerhans cell histiocytosis (LCH) or cardiovascular/neurological involvement in Erdheim-Chester disease (ECD). Nevertheless, few data are available on adult clonal histiocytosis. This is why we have conducted a retrospective study of all patients with clonal histiocytosis in our institution and present the data according to the presence of BRAF mutation. Among 27 adult patients (10 ECD, 10 LCH, 5 Rosai-Dorfman disease (RDD), and 3 mixed ECD/LCH), 11 (39%) have BRAF mutation with gain of function (n = 9) and deletion (n = 2). Those patients had frequent multicentric disease with risk organ involvement, especially the brain and cardiovascular system. They had frequent associated myeloid neoplasms (mostly chronic myelomonocytic leukemia) and received more frequently targeted therapy as the front-line therapy. Nevertheless, its presence did not affect the overall survival or relapse-free survival probably due to the emergence of efficient therapies. To conclude, rapid and accurate molecular establishment in adult clonal histiocytoses is crucial because BRAFV600E mutation correlates with multicentric disease with organ involvement and incomplete metabolic response.
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Affiliation(s)
- Jerome Razanamahery
- Department of Internal Medicine and Clinical Immunology, Dijon University Hospital, Dijon, France
| | - Amelie Godot
- Department of Internal Medicine, Besancon University Hospital, Besancon, France
| | - Vanessa Leguy-Seguin
- Department of Internal Medicine and Clinical Immunology, Dijon University Hospital, Dijon, France
| | - M. Samson
- Department of Internal Medicine and Clinical Immunology, Dijon University Hospital, Dijon, France
| | - Sylvain Audia
- Department of Internal Medicine and Clinical Immunology, Dijon University Hospital, Dijon, France
| | - Bernard Bonnotte
- Department of Internal Medicine and Clinical Immunology, Dijon University Hospital, Dijon, France
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Xu J, Ma H, Yao X, Han X, Wen Y, Wang S, Xu Z, Ma L. Frequent detection of genetic aberrations reveals novel pathogenesis and treatment modalities in systemic juvenile xanthogranuloma. Pediatr Investig 2023; 7:212-215. [PMID: 37736360 PMCID: PMC10509386 DOI: 10.1002/ped4.12398] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Accepted: 08/15/2023] [Indexed: 09/23/2023] Open
Affiliation(s)
- Jiaosheng Xu
- Department of Dermatology, Beijing Children's Hospital, Capital Medical UniversityNational Center for Children's HealthBeijingChina
| | - Hongyan Ma
- Department of Dermatology, Children's Hospital of Xinjiang Uygur Autonomous RegionXinjiang Hospital of Beijing Children's HospitalXinjiangChina
| | - Xingfeng Yao
- Department of Pathology, Beijing Children's Hospital, Capital Medical UniversityNational Center for Children's HealthBeijingChina
| | - Xiaofeng Han
- Department of Dermatology, Beijing Children's Hospital, Capital Medical UniversityNational Center for Children's HealthBeijingChina
| | - Yang Wen
- Department of Radiology, Beijing Children's Hospital, Capital Medical UniversityNational Center for Children's HealthBeijingChina
| | - Siwei Wang
- Department of Ultrasound, Beijing Children's Hospital, Capital Medical UniversityNational Center for Children's HealthBeijingChina
| | - Zigang Xu
- Department of Dermatology, Beijing Children's Hospital, Capital Medical UniversityNational Center for Children's HealthBeijingChina
| | - Lin Ma
- Department of Dermatology, Beijing Children's Hospital, Capital Medical UniversityNational Center for Children's HealthBeijingChina
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20
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Kemps PG, van den Bos C, van Halteren AGS. Clinical associations of BRAF and MAP2K1 mutations in pediatric Langerhans cell histiocytosis: When 1 + 1 = 3. Am J Hematol 2023; 98:E244-E246. [PMID: 37357851 DOI: 10.1002/ajh.27008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Accepted: 06/12/2023] [Indexed: 06/27/2023]
Affiliation(s)
- Paul G Kemps
- Department of Pathology, Leiden University Medical Center, Leiden, The Netherlands
- Princess Máxima Center for Pediatric Oncology, Utrecht, The Netherlands
| | - Cor van den Bos
- Princess Máxima Center for Pediatric Oncology, Utrecht, The Netherlands
- Department of Pediatric Oncology, Emma Children's Hospital, Amsterdam University Medical Centers, Amsterdam, The Netherlands
| | - Astrid G S van Halteren
- Department of Pathology, Leiden University Medical Center, Leiden, The Netherlands
- Princess Máxima Center for Pediatric Oncology, Utrecht, The Netherlands
- Department of Internal Medicine, Section Clinical Immunology, Erasmus MC University Medical Center Rotterdam, Rotterdam, The Netherlands
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21
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Kurokawa R, Kurokawa M, Isshiki S, Harada T, Nakaya M, Baba A, Naganawa S, Kim J, Bapuraj J, Srinivasan A, Abe O, Moritani T. Dural and Leptomeningeal Diseases: Anatomy, Causes, and Neuroimaging Findings. Radiographics 2023; 43:e230039. [PMID: 37535461 DOI: 10.1148/rg.230039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/05/2023]
Abstract
Meningeal lesions can be caused by various conditions and pose diagnostic challenges. The authors review the anatomy of the meninges in the brain and spinal cord to provide a better understanding of the localization and extension of these diseases and summarize the clinical and imaging features of various conditions that cause dural and/or leptomeningeal enhancing lesions. These conditions include infectious meningitis (bacterial, tuberculous, viral, and fungal), autoimmune diseases (vasculitis, connective tissue diseases, autoimmune meningoencephalitis, Vogt-Koyanagi-Harada disease, neuro-Behçet syndrome, Susac syndrome, and sarcoidosis), primary and secondary tumors (meningioma, diffuse leptomeningeal glioneuronal tumor, melanocytic tumors, and lymphoma), tumorlike diseases (histiocytosis and immunoglobulin G4-related diseases), medication-induced diseases (immune-related adverse effects and posterior reversible encephalopathy syndrome), and other conditions (spontaneous intracranial hypotension, amyloidosis, and moyamoya disease). Although meningeal lesions may manifest with nonspecific imaging findings, correct diagnosis is important because the treatment strategy varies among these diseases. ©RSNA, 2023 Online supplemental material and the slide presentation from the RSNA Annual Meeting are available for this article. Quiz questions for this article are available through the Online Learning Center.
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Affiliation(s)
- Ryo Kurokawa
- From the Division of Neuroradiology, Department of Radiology, University of Michigan, 1500 E Medical Center Dr, UH B2, Ann Arbor, MI 48109 (R.K., M.K., A.B., S.N., J.K., J.B., A.S., T.M.); Department of Radiology, Graduate School of Medicine, University of Tokyo, Tokyo, Japan (R.K., M.K., M.N., S.N., O.A.); Department of Radiology, Niizashiki Central General Hospital, Saitama, Japan (S.I.); and Department of Diagnostic Imaging, Hokkaido University Graduate School of Medicine, Sapporo, Japan (T.H.)
| | - Mariko Kurokawa
- From the Division of Neuroradiology, Department of Radiology, University of Michigan, 1500 E Medical Center Dr, UH B2, Ann Arbor, MI 48109 (R.K., M.K., A.B., S.N., J.K., J.B., A.S., T.M.); Department of Radiology, Graduate School of Medicine, University of Tokyo, Tokyo, Japan (R.K., M.K., M.N., S.N., O.A.); Department of Radiology, Niizashiki Central General Hospital, Saitama, Japan (S.I.); and Department of Diagnostic Imaging, Hokkaido University Graduate School of Medicine, Sapporo, Japan (T.H.)
| | - Saiko Isshiki
- From the Division of Neuroradiology, Department of Radiology, University of Michigan, 1500 E Medical Center Dr, UH B2, Ann Arbor, MI 48109 (R.K., M.K., A.B., S.N., J.K., J.B., A.S., T.M.); Department of Radiology, Graduate School of Medicine, University of Tokyo, Tokyo, Japan (R.K., M.K., M.N., S.N., O.A.); Department of Radiology, Niizashiki Central General Hospital, Saitama, Japan (S.I.); and Department of Diagnostic Imaging, Hokkaido University Graduate School of Medicine, Sapporo, Japan (T.H.)
| | - Taisuke Harada
- From the Division of Neuroradiology, Department of Radiology, University of Michigan, 1500 E Medical Center Dr, UH B2, Ann Arbor, MI 48109 (R.K., M.K., A.B., S.N., J.K., J.B., A.S., T.M.); Department of Radiology, Graduate School of Medicine, University of Tokyo, Tokyo, Japan (R.K., M.K., M.N., S.N., O.A.); Department of Radiology, Niizashiki Central General Hospital, Saitama, Japan (S.I.); and Department of Diagnostic Imaging, Hokkaido University Graduate School of Medicine, Sapporo, Japan (T.H.)
| | - Moto Nakaya
- From the Division of Neuroradiology, Department of Radiology, University of Michigan, 1500 E Medical Center Dr, UH B2, Ann Arbor, MI 48109 (R.K., M.K., A.B., S.N., J.K., J.B., A.S., T.M.); Department of Radiology, Graduate School of Medicine, University of Tokyo, Tokyo, Japan (R.K., M.K., M.N., S.N., O.A.); Department of Radiology, Niizashiki Central General Hospital, Saitama, Japan (S.I.); and Department of Diagnostic Imaging, Hokkaido University Graduate School of Medicine, Sapporo, Japan (T.H.)
| | - Akira Baba
- From the Division of Neuroradiology, Department of Radiology, University of Michigan, 1500 E Medical Center Dr, UH B2, Ann Arbor, MI 48109 (R.K., M.K., A.B., S.N., J.K., J.B., A.S., T.M.); Department of Radiology, Graduate School of Medicine, University of Tokyo, Tokyo, Japan (R.K., M.K., M.N., S.N., O.A.); Department of Radiology, Niizashiki Central General Hospital, Saitama, Japan (S.I.); and Department of Diagnostic Imaging, Hokkaido University Graduate School of Medicine, Sapporo, Japan (T.H.)
| | - Shotaro Naganawa
- From the Division of Neuroradiology, Department of Radiology, University of Michigan, 1500 E Medical Center Dr, UH B2, Ann Arbor, MI 48109 (R.K., M.K., A.B., S.N., J.K., J.B., A.S., T.M.); Department of Radiology, Graduate School of Medicine, University of Tokyo, Tokyo, Japan (R.K., M.K., M.N., S.N., O.A.); Department of Radiology, Niizashiki Central General Hospital, Saitama, Japan (S.I.); and Department of Diagnostic Imaging, Hokkaido University Graduate School of Medicine, Sapporo, Japan (T.H.)
| | - John Kim
- From the Division of Neuroradiology, Department of Radiology, University of Michigan, 1500 E Medical Center Dr, UH B2, Ann Arbor, MI 48109 (R.K., M.K., A.B., S.N., J.K., J.B., A.S., T.M.); Department of Radiology, Graduate School of Medicine, University of Tokyo, Tokyo, Japan (R.K., M.K., M.N., S.N., O.A.); Department of Radiology, Niizashiki Central General Hospital, Saitama, Japan (S.I.); and Department of Diagnostic Imaging, Hokkaido University Graduate School of Medicine, Sapporo, Japan (T.H.)
| | - Jayapalli Bapuraj
- From the Division of Neuroradiology, Department of Radiology, University of Michigan, 1500 E Medical Center Dr, UH B2, Ann Arbor, MI 48109 (R.K., M.K., A.B., S.N., J.K., J.B., A.S., T.M.); Department of Radiology, Graduate School of Medicine, University of Tokyo, Tokyo, Japan (R.K., M.K., M.N., S.N., O.A.); Department of Radiology, Niizashiki Central General Hospital, Saitama, Japan (S.I.); and Department of Diagnostic Imaging, Hokkaido University Graduate School of Medicine, Sapporo, Japan (T.H.)
| | - Ashok Srinivasan
- From the Division of Neuroradiology, Department of Radiology, University of Michigan, 1500 E Medical Center Dr, UH B2, Ann Arbor, MI 48109 (R.K., M.K., A.B., S.N., J.K., J.B., A.S., T.M.); Department of Radiology, Graduate School of Medicine, University of Tokyo, Tokyo, Japan (R.K., M.K., M.N., S.N., O.A.); Department of Radiology, Niizashiki Central General Hospital, Saitama, Japan (S.I.); and Department of Diagnostic Imaging, Hokkaido University Graduate School of Medicine, Sapporo, Japan (T.H.)
| | - Osamu Abe
- From the Division of Neuroradiology, Department of Radiology, University of Michigan, 1500 E Medical Center Dr, UH B2, Ann Arbor, MI 48109 (R.K., M.K., A.B., S.N., J.K., J.B., A.S., T.M.); Department of Radiology, Graduate School of Medicine, University of Tokyo, Tokyo, Japan (R.K., M.K., M.N., S.N., O.A.); Department of Radiology, Niizashiki Central General Hospital, Saitama, Japan (S.I.); and Department of Diagnostic Imaging, Hokkaido University Graduate School of Medicine, Sapporo, Japan (T.H.)
| | - Toshio Moritani
- From the Division of Neuroradiology, Department of Radiology, University of Michigan, 1500 E Medical Center Dr, UH B2, Ann Arbor, MI 48109 (R.K., M.K., A.B., S.N., J.K., J.B., A.S., T.M.); Department of Radiology, Graduate School of Medicine, University of Tokyo, Tokyo, Japan (R.K., M.K., M.N., S.N., O.A.); Department of Radiology, Niizashiki Central General Hospital, Saitama, Japan (S.I.); and Department of Diagnostic Imaging, Hokkaido University Graduate School of Medicine, Sapporo, Japan (T.H.)
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22
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Hernandez S, Conde E, Alonso M, Illarramendi A, Bote de Cabo H, Zugazagoitia J, Paz-Ares L, Lopez-Rios F. A narrative review of methods for the identification of ALK fusions in patients with non-small cell lung carcinoma. Transl Lung Cancer Res 2023; 12:1549-1562. [PMID: 37577307 PMCID: PMC10413037 DOI: 10.21037/tlcr-22-855] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Accepted: 06/25/2023] [Indexed: 08/15/2023]
Abstract
Background and Objective This narrative review is intended to provide pragmatic knowledge of current methods for the search of anaplastic lymphoma kinase (ALK) fusions in patients with non-small cell lung carcinoma (NSCLC). This information is very timely, because a recent survey has identified that almost 50% of patients with advanced NSCLC were not candidates for targeted therapies because of biomarker testing issues. Methods PubMed was searched from January 1st, 2012 to February 28th, 2023 using the following keywords: "ALK" and "lung", including reviews and our own work. Key Content and Findings Testing rates have not reached 85% among patients' candidates to ALK inhibition. The advantages and disadvantages of the different analytical options [immunohistochemistry (IHC), fluorescence in situ hybridization (FISH), real-time polymerase chain reaction and next-generation sequencing (NGS)] are discussed. The key factor for success in ALK testing is a deep understanding of the concept of "molecular redundancy". This notion has been recommended and endorsed by all the major professional organizations in the field and can be summarized as follows: "laboratories should ensure that test results that are unexpected, discordant, equivocal, or otherwise of low confidence are confirmed or resolved using an alternative method or sample". In-depth knowledge of the different ALK testing methodologies can help clinical and molecular tumor boards implement and maintain sensible algorithms for a rapid and effective detection of predictive biomarkers in patients with NSCLC. Conclusions Multimodality testing has the potential to increase both the testing rate and the accuracy of ALK fusion identification.
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Affiliation(s)
- Susana Hernandez
- Pathology Department, Hospital Universitario 12 de Octubre, Research Institute Hospital 12 de Octubre (i+12), Madrid, Spain
| | - Esther Conde
- Pathology Department, Hospital Universitario 12 de Octubre, Universidad Complutense de Madrid, Research Institute Hospital 12 de Octubre (i+12), Ciberonc, Madrid, Spain
| | - Marta Alonso
- Pathology Department, Hospital Universitario 12 de Octubre, Research Institute Hospital 12 de Octubre (i+12), Madrid, Spain
| | | | - Helena Bote de Cabo
- Oncology Department, Hospital Universitario 12 de Octubre, H12O-CNIO Lung Cancer Clinical Research Unit, Research Institute Hospital 12 de Octubre (i+12)/Spanish National Cancer Research Center (CNIO), Madrid, Spain
| | - Jon Zugazagoitia
- Oncology Department, Hospital Universitario 12 de Octubre, H12O-CNIO Lung Cancer Clinical Research Unit, Research Institute Hospital 12 de Octubre (i+12)/Spanish National Cancer Research Center (CNIO), Ciberonc, Madrid, Spain
| | - Luis Paz-Ares
- Oncology Department, Hospital Universitario 12 de Octubre, Universidad Complutense de Madrid, H12O-CNIO Lung Cancer Clinical Research Unit, Research Institute Hospital 12 de Octubre (i+12)/Spanish National Cancer Research Center (CNIO), Ciberonc, Madrid, Spain
| | - Fernando Lopez-Rios
- Pathology Department, Hospital Universitario 12 de Octubre, Universidad Complutense de Madrid, Research Institute Hospital 12 de Octubre (i+12), Ciberonc, Madrid, Spain
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23
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Hélias-Rodzewicz Z, Donadieu J, Terrones N, Barkaoui MA, Lambilliotte A, Moshous D, Thomas C, Azarnoush S, Pasquet M, Mansuy L, Aladjidi N, Jeziorski E, Marec-Berard P, Gilibert-Yvert M, Spiegel A, Saultier P, Pellier I, Pagnier A, Pertuisel S, Poiree M, Bodet D, Millot F, Isfan F, Stephan JL, Leruste A, Rigaud C, Filhon B, Carausu L, Reguerre Y, Kieffer I, Brichard B, Ben Jannet R, Bakari M, Idbaih A, Bodemer C, Cohen-Aubart F, Haroche J, Tazi A, Boudjemaa S, Fraitag S, Emile JF, Heritier S. Molecular and clinicopathologic characterization of pediatric histiocytoses. Am J Hematol 2023; 98:1058-1069. [PMID: 37115038 DOI: 10.1002/ajh.26938] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Revised: 04/05/2023] [Accepted: 04/10/2023] [Indexed: 04/29/2023]
Abstract
The spectrum of somatic mutations in pediatric histiocytoses and their clinical implications are not fully characterized, especially for non-Langerhans cell histiocytosis (-LCH) subtypes. A cohort of 415 children with histiocytosis from the French histiocytosis registry was reviewed and analyzed for BRAFV600E . Most BRAFWT samples were analyzed by next-generation sequencing (NGS) with a custom panel of genes for histiocytosis and myeloid neoplasia. Of 415 case samples, there were 366 LCH, 1 Erdheim-Chester disease, 21 Rosai-Dorfman disease (RDD), 21 juvenile xanthogranuloma (JXG, mostly with severe presentation), and 6 malignant histiocytosis (MH). BRAFV600E was the most common mutation found in LCH (50.3%, n = 184). Among 105 non-BRAFV600E -mutated LCH case samples, NGS revealed mutations as follows: MAP2K1 (n = 44), BRAF exon 12 deletions (n = 26), and duplications (n = 8), other BRAF V600 codon mutation (n = 4), and non-MAP-kinase pathway genes (n = 5). Wild-type sequences were identified in 17.1% of samples. BRAFV600E was the only variant significantly correlated with critical presentations: organ-risk involvement and neurodegeneration. MAP-kinase pathway mutations were identified in seven RDD (mostly MAP2K1) and three JXG samples, but most samples were wild-type on NGS. Finally, two MH samples had KRAS mutations, and one had a novel BRAFG469R mutation. Rarely, we identified mutations unrelated to MAP-kinase pathway genes. In conclusion, we characterized the mutational spectrum of childhood LCH and clinical correlations of variants and subtypes. Variants responsible for JXG and RDD were not elucidated in more than half of the cases, calling for other sequencing approaches.
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Affiliation(s)
- Zofia Hélias-Rodzewicz
- EA4340 BECCOH, Pathology Department, Ambroise Paré Hospital, AP-HP, Université Paris-Saclay, Boulogne-Billancourt, France
| | - Jean Donadieu
- French Reference Center for Histiocytosis, Department of Pediatric Hematology and Oncology, Trousseau Hospital, AP-HP, Sorbonne Université, Paris, France
| | - Nathalie Terrones
- EA4340 BECCOH, Pathology Department, Ambroise Paré Hospital, AP-HP, Université Paris-Saclay, Boulogne-Billancourt, France
| | - Mohamed-Aziz Barkaoui
- French Reference Center for Histiocytosis, Department of Pediatric Hematology and Oncology, Trousseau Hospital, AP-HP, Sorbonne Université, Paris, France
| | - Anne Lambilliotte
- Department of Pediatric Hematology and Oncology, Centre Hospitalo-Universitaire de Lille, Lille, France
| | - Despina Moshous
- Department of Pediatric Immunology, Hematology and Rheumatology, Necker Hospital, AP-HP, Centre-Université Paris Cité, Institut Imagine, Paris, France
| | - Caroline Thomas
- Department of Pediatric Hematology and Oncology, Centre Hospitalo-Universitaire de Nantes, Nantes, France
| | - Saba Azarnoush
- Department of Pediatric Immunology and Hematology, Robert Debré Hospital, AP-HP, Nord-Université Paris Cité, Paris, France
| | - Marlène Pasquet
- Department of Pediatric Hematology and Oncology, Centre Hospitalo-Universitaire de Toulouse, Toulouse, France
| | - Ludovic Mansuy
- Department of Pediatric Hematology and Oncology, Centre Hospitalo-Universitaire de Nancy, Vandœuvre-lès-Nancy, France
| | - Nathalie Aladjidi
- Department of Pediatric Hematology and Oncology, Centre d'Investigation Clinique (CIC) 1401, INSERM, Centre Hospitalo-Universitaire de Bordeaux, Bordeaux, France
| | - Eric Jeziorski
- Department of Paediatric, Hôpital Arnaud de Villeneuve, Centre Hospitalo-Universitaire de Montpellier, Montpellier, France
| | - Perrine Marec-Berard
- Department of Paediatric Oncology, Institut d'Hémato-Oncologie Pediatrique, Lyon, France
| | - Marion Gilibert-Yvert
- Department of Pediatric Hematology and Oncology, Centre Hospitalo-Universitaire de Tours, Tours, France
| | - Alexandra Spiegel
- Department of Pediatric Hematology and Oncology, Centre Hospitalo-Universitaire de Strasbourg, Strasbourg, France
| | - Paul Saultier
- Department of Pediatric Hematology, Immunology and Oncology, Aix Marseille, APHM University, INSERM, INRAe, C2VN, La Timone Children's Hospital, Marseille, France
| | - Isabelle Pellier
- Department of Pediatric Hematology and Oncology, Centre Hospitalo-Universitaire de Angers, Angers, France
| | - Anne Pagnier
- Department of Pediatric Hematology and Oncology, Centre Hospitalo-Universitaire de Grenoble, Grenoble, France
| | - Sophie Pertuisel
- Department of Pediatric Hematology and Oncology, Centre Hospitalo-Universitaire de Rennes, Rennes, France
| | - Maryline Poiree
- Department of Pediatric Hematology and Oncology, Centre Hospitalo-Universitaire de Nice, Nice, France
| | - Damien Bodet
- Department of Pediatric Hematology and Oncology, Centre Hospitalo-Universitaire de Cean, Cean, France
| | - Frédéric Millot
- Department of Pediatric Hematology and Oncology, Centre Hospitalo-Universitaire de Poitiers, Poitiers, France
| | - Florentina Isfan
- Department of Pediatric Hematology and Oncology, Centre Hospitalo-Universitaire de Clermont-Ferrand, Clermont-Ferrand, France
| | - Jean-Louis Stephan
- Department of Pediatric Hematology and Oncology, Centre Hospitalo-Universitaire de Saint Etienne, Saint-Étienne, France
| | - Amaury Leruste
- Pediatric, Adolescent and Young Adult Oncology Department, Institut Curie Medical Center, Paris, France
| | - Charlotte Rigaud
- Department of Paediatric and Adolescent Oncology, Gustave Roussy Cancer Campus, Villejuif, France
| | - Bruno Filhon
- Department of Pediatric Hematology and Oncology, Groupe Hospitalier du Havre, Montivilliers, France
| | - Liana Carausu
- Department of Pediatric Hematology and Oncology, Centre Hospitalo-Universitaire de Brest, Brest, France
| | - Yves Reguerre
- Department of Pediatric Hematology and Oncology, Centre Hospitalo-Universitaire Saint Denis de la Réunion, Saint-Denis, Réunion, France
| | - Isabelle Kieffer
- Service National d'Onco-Hematologie Pediatrique (SNOHP), Kannerklinik, Centre Hospitalier de Luxembourg, Luxembourg City, Luxembourg
| | - Bénédicte Brichard
- Department of Pediatric Hematology and Oncology, Cliniques Universitaires Saint Luc, Brussels, Belgium
| | - Rim Ben Jannet
- EA4340 BECCOH, Pathology Department, Ambroise Paré Hospital, AP-HP, Université Paris-Saclay, Boulogne-Billancourt, France
| | - Mariama Bakari
- EA4340 BECCOH, Pathology Department, Ambroise Paré Hospital, AP-HP, Université Paris-Saclay, Boulogne-Billancourt, France
| | - Ahmed Idbaih
- Sorbonne Université, Institut du Cerveau-Paris Brain Institute-ICM, Inserm, CNRS, AP-HP, Hôpital Universitaire La Pitié Salpêtrière, DMU Neurosciences, Paris, France
| | - Christine Bodemer
- Department of Dermatology, Necker Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Fleur Cohen-Aubart
- Department of Internal Medicine, La Pitié Salpêtrière Hospital, AP-HP, Sorbonne Université, Paris, France
| | - Julien Haroche
- Department of Internal Medicine, La Pitié Salpêtrière Hospital, AP-HP, Sorbonne Université, Paris, France
| | - Abdellatif Tazi
- Université Paris Cité, INSEM U976, AP-HP Pulmonary Department, Saint-Louis Hospital, Paris, France
| | - Sabah Boudjemaa
- Pathology Department, Trousseau Hospital, AP-HP, Sorbonne Université, Paris, France
| | - Sylvie Fraitag
- Pathology Department, Necker Hospital, AP-HP, Centre-Université Paris Cité, Institut Imagine, Paris, France
| | - Jean-François Emile
- EA4340 BECCOH, Pathology Department, Ambroise Paré Hospital, AP-HP, Université Paris-Saclay, Boulogne-Billancourt, France
| | - Sébastien Heritier
- French Reference Center for Histiocytosis, Department of Pediatric Hematology and Oncology, Trousseau Hospital, AP-HP, Sorbonne Université, Paris, France
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24
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Alizadeh M, Ravindran A, Chkheidze R, Goyal G, Hosseini M, Shobeiri P, Shafieioun A, Khalafi M, Shahidi R, Sotoudeh H, Singhal A. ALK-positive histiocytosis involving the cavernous sinus: A deceptive radiologic mimic of meningioma. Radiol Case Rep 2023; 18:2259-2263. [PMID: 37123042 PMCID: PMC10130913 DOI: 10.1016/j.radcr.2023.03.034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Accepted: 03/17/2023] [Indexed: 05/02/2023] Open
Abstract
Anaplastic lymphoma kinase (ALK)-positive histiocytosis is an uncommon condition, recently considered a separate condition from other histiocytosis by WHO 5th edition. It can involve intracranial structures. This manuscript describes a case of ALK-positive histiocytosis of the cavernous sinus, focusing on the radiologic and pathologic presentation of the entity. Our case had MRI manifestations mimicking meningioma, metastasis, and Langerhans histiocytosis. On CT imaging, benign osseous remodeling of the cavernous sinus was detected, which can be helpful in differentiating it from more common meningioma.
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Affiliation(s)
| | - Aishwarya Ravindran
- Department of Clinical Pathology, University of Alabama at Birmingham (UAB), Birmingham, AL, USA
| | - Rati Chkheidze
- Department of Neuropathology, University of Alabama at Birmingham (UAB), Birmingham, AL, USA
| | - Gaurav Goyal
- Department of Medicine- Hematology and Oncology, University of Alabama at Birmingham (UAB), Birmingham, AL, USA
| | - Mahdie Hosseini
- Department of Radiology, University of Pennsylvania, Philadelphia, PA, USA
| | - Parnian Shobeiri
- School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Arezoo Shafieioun
- Department of Radiology, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mohammad Khalafi
- Department of Radiology, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Ramin Shahidi
- School of Medicine, Bushehr University of Medical Sciences, Bushehr, Iran
| | - Houman Sotoudeh
- Department of Radiology and Neurology, University of Alabama at Birmingham (UAB), 619 19th St S, Birmingham, AL 35294, USA
- Corresponding author.
| | - Aparna Singhal
- Department of Radiology, University of Alabama at Birmingham (UAB), Birmingham, AL, USA
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25
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Xiao A, Shahmarvand N, Nagy A, Kumar J, Van Ziffle J, Devine P, Huang F, Lezama L, Li P, Ohgami RS. TFG::ALK fusion in ALK positive large B-cell lymphoma: a case report and review of literature. Front Oncol 2023; 13:1174606. [PMID: 37305584 PMCID: PMC10248242 DOI: 10.3389/fonc.2023.1174606] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2023] [Accepted: 04/24/2023] [Indexed: 06/13/2023] Open
Abstract
Anaplastic lymphoma kinase (ALK) positive large B-cell lymphoma (ALK+ LBCL) is an aggressive and rare subtype of B-cell lymphoma. Patients typically present with advanced clinical stage disease and do not respond to conventional chemotherapy; the median overall survival is 1.8 years. The genetic landscape of this entity remains poorly understood. Here we report a unique case of ALK+ LBCL harbouring a rare TFG::ALK fusion. Targeted next-generation sequencing showed no significant single nucleotide variants, insertions/deletions, or other structural variants beyond the TFG::ALK fusion; deep deletions of FOXO1, PRKCA, and the MYB locus were also detected. Our case report draws attention to this rare disease, highlights a need for larger genetic profiling studies, and focuses on the pathogenesis and potential therapeutic targets of this aggressive disease. To our knowledge, this is the first report of a TFG::ALK fusion in ALK+ LBCL.
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Affiliation(s)
- Andrew Xiao
- Department of Pathology, University of California San Francisco, San Francisco, CA, United States
| | | | - Alexandra Nagy
- Department of Pathology, University of California San Francisco, San Francisco, CA, United States
| | - Jyoti Kumar
- Department of Pathology, Stanford University, Stanford, CA, United States
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, United States
| | - Jessica Van Ziffle
- Department of Pathology, University of California San Francisco, San Francisco, CA, United States
| | - Patrick Devine
- Department of Pathology, University of California San Francisco, San Francisco, CA, United States
| | - Franklin Huang
- Department of Pathology, University of California San Francisco, San Francisco, CA, United States
| | - Lhara Lezama
- Department of Pathology, Kaiser Permanente, Los Angeles, CA, United States
| | - Peng Li
- Department of Pathology, University of Utah and ARUP Laboratories, Salt Lake City, UT, United States
| | - Robert S. Ohgami
- Department of Pathology, University of California San Francisco, San Francisco, CA, United States
- Department of Pathology, University of Utah and ARUP Laboratories, Salt Lake City, UT, United States
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26
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Thomsen GN, Christoffersen MN, Lindegaard HM, Davidsen JR, Hartmeyer GN, Assing K, Mortz CG, Martin-Iguacel R, Møller MB, Kjeldsen AD, Havelund T, El Fassi D, Broesby-Olsen S, Maiborg M, Johansson SL, Andersen CL, Vestergaard H, Bjerrum OW. The multidisciplinary approach to eosinophilia. Front Oncol 2023; 13:1193730. [PMID: 37274287 PMCID: PMC10232806 DOI: 10.3389/fonc.2023.1193730] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2023] [Accepted: 04/25/2023] [Indexed: 06/06/2023] Open
Abstract
Eosinophilic granulocytes are normally present in low numbers in the bloodstream. Patients with an increased number of eosinophilic granulocytes in the differential count (eosinophilia) are common and can pose a clinical challenge because conditions with eosinophilia occur in all medical specialties. The diagnostic approach must be guided by a thorough medical history, supported by specific tests to guide individualized treatment. Neoplastic (primary) eosinophilia is identified by one of several unique acquired genetic causes. In contrast, reactive (secondary) eosinophilia is associated with a cytokine stimulus in a specific disease, while idiopathic eosinophilia is a diagnosis by exclusion. Rational treatment is disease-directed in secondary cases and has paved the way for targeted treatment against the driver in primary eosinophilia, whereas idiopathic cases are treated as needed by principles in eosinophilia originating from clonal drivers. The vast majority of patients are diagnosed with secondary eosinophilia and are managed by the relevant specialty-e.g., rheumatology, allergy, dermatology, gastroenterology, pulmonary medicine, hematology, or infectious disease. The overlap in symptoms and the risk of irreversible organ involvement in eosinophilia, irrespective of the cause, warrants that patients without a diagnostic clarification or who do not respond to adequate treatment should be referred to a multidisciplinary function anchored in a hematology department for evaluation. This review presents the pathophysiology, manifestations, differential diagnosis, diagnostic workup, and management of (adult) patients with eosinophilia. The purpose is to place eosinophilia in a clinical context, and therefore justify and inspire the establishment of a multidisciplinary team of experts from diagnostic and clinical specialties at the regional level to support the second opinion. The target patient population requires highly specialized laboratory analysis and therapy and occasionally has severe eosinophil-induced organ dysfunction. An added value of a centralized, clinical function is to serve as a platform for education and research to further improve the management of patients with eosinophilia. Primary and idiopathic eosinophilia are key topics in the review, which also address current research and discusses outstanding issues in the field.
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Affiliation(s)
| | | | - Hanne Merete Lindegaard
- Department of Rheumatology, Odense University Hospital, Denmark; Research Unit for Rheumatology, Odense University Hospital, Odense, Denmark; University of Southern Denmark, Odense, Denmark
| | - Jesper Rømhild Davidsen
- Department of Respiratory Medicine, Odense University Hospital, Denmark; Odense Respiratory Research Unit (ODIN), Department of Clinical Research, University of Southern Denmark, Odense, Denmark
| | | | - Kristian Assing
- Department of Clinical Immunology, Odense University Hospital, Odense, Denmark
| | - Charlotte G. Mortz
- Department of Dermatology and Allergy Centre, Odense Research Centre for Anaphylaxis (ORCA), Odense University Hospital, Denmark; University of Southern Denmark, Odense, Denmark
| | | | | | - Anette Drøhse Kjeldsen
- Department of ORL- Head and Neck Surgery and Audiology, Odense University Hospital, Odense, Denmark; University of Southern Denmark, Odense, Denmark
| | - Troels Havelund
- Department of Gastroenterology and Hepatology, Odense University Hospital, Odense, Denmark
| | - Daniel El Fassi
- Department of Hematology, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
- Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Sigurd Broesby-Olsen
- Department of Dermatology and Allergy Centre, Odense Research Centre for Anaphylaxis (ORCA), Odense University Hospital, Denmark; University of Southern Denmark, Odense, Denmark
| | - Michael Maiborg
- Department of Cardiology, Odense University Hospital, Odense, Denmark
| | | | - Christen Lykkegaard Andersen
- Department of Hematology, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
- Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
- Centre for General Practice, Department of Public Health, University of Copenhagen, Copenhagen, Denmark
| | - Hanne Vestergaard
- Department of Hematology, Odense University Hospital, Odense, Denmark
| | - Ole Weis Bjerrum
- Department of Hematology, Odense University Hospital, Odense, Denmark
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27
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Ravindran A, Rech KL. How I Diagnose Rosai-Dorfman Disease. Am J Clin Pathol 2023:7160235. [PMID: 37167084 DOI: 10.1093/ajcp/aqad047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Accepted: 04/05/2023] [Indexed: 05/13/2023] Open
Abstract
OBJECTIVES Rosai-Dorfman disease (RDD) is one of 3 major types of histiocytosis, along with Erdheim-Chester disease and Langerhans cell histiocytosis. While historically, RDD was considered a benign self-limited condition, current data show MAPK/ERK pathway mutations in 30% to 50% of cases, indicative of a clonal process. Rosai-Dorfman disease was incorporated as a histiocytic neoplasm in the fifth edition of the World Health Organization classification of hematopoietic tumors and the International Consensus Classification. METHODS We discuss the diagnosis of RDD using 2 illustrative cases, interpretative challenges, and a diagnostic algorithm. RESULTS Rosai-Dorfman disease involves nodal and extranodal sites, including skin, sinuses, salivary gland, orbit, central nervous system, kidney, and bone. In a subset, RDD can coexist with other neoplasms (lymphomas, other histiocytosis) or autoimmune disease. Morphologically, RDD histiocytes are characterized by enlarged round to oval nuclei, distinct nucleoli, and voluminous cytoplasm with engulfment of inflammatory cells (emperipolesis). By immunohistochemistry, they express CD68, CD163 (majority), S100, OCT2, and cyclin D1. Appropriate use of ancillary studies is important to support the diagnosis of RDD while excluding other histiocytic neoplasms and reactive histiocytic proliferations. CONCLUSIONS Management of RDD is dependent on the extent of organ involvement and clinical symptoms. In patients who require therapy, next-generation sequencing is recommended to identify MAPK/ERK pathway mutations for targeted therapy.
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Affiliation(s)
- Aishwarya Ravindran
- Department of Pathology, Division of Laboratory Medicine-Hematopathology, University of Alabama at Birmingham, Birmingham, AL, US
- Department of Laboratory Medicine and Pathology, Division of Hematopathology, Mayo Clinic, Rochester, MN, US
| | - Karen L Rech
- Department of Laboratory Medicine and Pathology, Division of Hematopathology, Mayo Clinic, Rochester, MN, US
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28
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Oishi N, Feldman AL. Current Concepts in Nodal Peripheral T-Cell Lymphomas. Surg Pathol Clin 2023; 16:267-285. [PMID: 37149360 DOI: 10.1016/j.path.2023.01.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/05/2023]
Abstract
This review summarizes the current understanding of mature T-cell neoplasms predominantly involving lymph nodes, including ALK-positive and ALK-negative anaplastic large cell lymphomas, nodal T-follicular helper cell lymphoma, Epstein-Barr virus-positive nodal T/NK-cell lymphoma, and peripheral T-cell lymphoma (PTCL), not otherwise specified. These PTCLs are clinically, pathologically, and genetically heterogeneous, and the diagnosis is made by a combination of clinical information, morphology, immunophenotype, viral positivity, and genetic abnormalities. This review summarizes the pathologic features of common nodal PTCLs, highlighting updates in the fifth edition of the World Health Organization classification and the 2022 International Consensus Classification.
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29
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Liu W, Liu HJ, Wang WY, Tang Y, Zhao S, Zhang WY, Yan JQ, Liu WP. Multisystem ALK-positive histiocytosis: a multi-case study and literature review. Orphanet J Rare Dis 2023; 18:53. [PMID: 36915094 PMCID: PMC10010018 DOI: 10.1186/s13023-023-02649-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Accepted: 02/27/2023] [Indexed: 03/14/2023] Open
Abstract
BACKGROUND Anaplastic lymphoma kinase (ALK)-positive histiocytosis, a novel rare histiocytic proliferation, was first described in 2008; it occurs in early infancy with liver and hematopoietic involvement. The spectrum was subsequently broadened to include localized diseases in older children and young adults. However, its full clinicopathological features and molecular lineage have not been fully elucidated. RESULTS Here, we report four cases of multisystem ALK-positive histiocytosis without hematopoietic involvement. Clinically, three patients were adults aged between 32 and 51 years. Two patients', whose main manifestations were intracranial mass and numerous micronodules in the thoracoabdominal cavity organs and skin papules respectively, had a partial response to ALK inhibitors after surgery. One patient presented with mediastinal neoplasm without surgical treatment, and progressive disease occurred after two years of ALK inhibitor therapy. The fourth patient was a 17-month-old male with a large intracranial mass and presented with a poor response to ALK inhibitor and chemoradiotherapy; he died eight months after surgery. Pathologically, the histiocytes were large, with abundant eosinophilic cytoplasm, and mixed with variable numbers of foamy cells and Touton giant cells. Interstitial fibrosis was also observed. Histiocytes were positive for macrophage markers (CD68 and CD163) and ALK. KIF5B-ALK fusions were detected in two cases, EML4-ALK in one, and both DCTN1-ALK and VRK2-ALK fusions were detected in one case. CONCLUSIONS We observed that ALK inhibitors present robust and durable responses in adult patients but a poor response in young children with central nervous system involvement. There is no consensus on the optimal treatment regimen and long-term prognosis requires further observation. Moreover, every unusual histiocytic proliferative lesion, especially unresectable and multisystem involvement, should be routinely tested for ALK immunohistochemical staining to identify this rare disease.
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Affiliation(s)
- Wei Liu
- Department of Pathology, Fujian Medical University Cancer Hospital, Fujian Cancer Hospital, Fuzhou, China
| | - Hong-Jie Liu
- Department of Dermatovenereology, West China Hospital, Sichuan University, Chengdu, China
| | - Wei-Ya Wang
- Department of Pathology, West China Hospital, Sichuan University, No. 37 Guo Xue Xiang, Chengdu, 610041, Sichuan Province, China
| | - Yuan Tang
- Department of Pathology, West China Hospital, Sichuan University, No. 37 Guo Xue Xiang, Chengdu, 610041, Sichuan Province, China
| | - Sha Zhao
- Department of Pathology, West China Hospital, Sichuan University, No. 37 Guo Xue Xiang, Chengdu, 610041, Sichuan Province, China
| | - Wen-Yan Zhang
- Department of Pathology, West China Hospital, Sichuan University, No. 37 Guo Xue Xiang, Chengdu, 610041, Sichuan Province, China
| | - Jia-Qi Yan
- Department of Pathology, West China Hospital, Sichuan University, No. 37 Guo Xue Xiang, Chengdu, 610041, Sichuan Province, China
| | - Wei-Ping Liu
- Department of Pathology, West China Hospital, Sichuan University, No. 37 Guo Xue Xiang, Chengdu, 610041, Sichuan Province, China.
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30
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Wang W, He L, Wu R, Yao J, Ma H, Cheng X, Wei A, Lian H, Wang D, Li Z, Wang T, Zhang R. Anaplastic lymphoma kinase positive histiocytosis presenting as hemocytopenia in an infant. Pediatr Blood Cancer 2023; 70:e30010. [PMID: 36184781 DOI: 10.1002/pbc.30010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/22/2022] [Revised: 08/25/2022] [Accepted: 08/29/2022] [Indexed: 11/05/2022]
Affiliation(s)
- Wenqian Wang
- Hematology Center, Beijing Key Laboratory of Pediatric Hematology Oncology, Beijing, China.,National Key Discipline of Pediatrics, Capital Medical University, Beijing, China.,Key Laboratory of Major Disease in Children, Ministry of Education, Beijing, China.,Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China
| | - Lejian He
- Hematology Center, Beijing Key Laboratory of Pediatric Hematology Oncology, Beijing, China.,National Key Discipline of Pediatrics, Capital Medical University, Beijing, China.,Key Laboratory of Major Disease in Children, Ministry of Education, Beijing, China.,Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China
| | - Runhui Wu
- Hematology Center, Beijing Key Laboratory of Pediatric Hematology Oncology, Beijing, China.,National Key Discipline of Pediatrics, Capital Medical University, Beijing, China.,Key Laboratory of Major Disease in Children, Ministry of Education, Beijing, China.,Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China
| | - Jiafeng Yao
- Hematology Center, Beijing Key Laboratory of Pediatric Hematology Oncology, Beijing, China.,National Key Discipline of Pediatrics, Capital Medical University, Beijing, China.,Key Laboratory of Major Disease in Children, Ministry of Education, Beijing, China.,Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China
| | - Honghao Ma
- Hematology Center, Beijing Key Laboratory of Pediatric Hematology Oncology, Beijing, China.,National Key Discipline of Pediatrics, Capital Medical University, Beijing, China.,Key Laboratory of Major Disease in Children, Ministry of Education, Beijing, China.,Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China
| | - Xiaoling Cheng
- Hematology Center, Beijing Key Laboratory of Pediatric Hematology Oncology, Beijing, China.,National Key Discipline of Pediatrics, Capital Medical University, Beijing, China.,Key Laboratory of Major Disease in Children, Ministry of Education, Beijing, China.,Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China
| | - Ang Wei
- Hematology Center, Beijing Key Laboratory of Pediatric Hematology Oncology, Beijing, China.,National Key Discipline of Pediatrics, Capital Medical University, Beijing, China.,Key Laboratory of Major Disease in Children, Ministry of Education, Beijing, China.,Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China
| | - Hongyun Lian
- Hematology Center, Beijing Key Laboratory of Pediatric Hematology Oncology, Beijing, China.,National Key Discipline of Pediatrics, Capital Medical University, Beijing, China.,Key Laboratory of Major Disease in Children, Ministry of Education, Beijing, China.,Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China
| | - Dong Wang
- Hematology Center, Beijing Key Laboratory of Pediatric Hematology Oncology, Beijing, China.,National Key Discipline of Pediatrics, Capital Medical University, Beijing, China.,Key Laboratory of Major Disease in Children, Ministry of Education, Beijing, China.,Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China
| | - Zhigang Li
- Hematology Center, Beijing Key Laboratory of Pediatric Hematology Oncology, Beijing, China.,National Key Discipline of Pediatrics, Capital Medical University, Beijing, China.,Key Laboratory of Major Disease in Children, Ministry of Education, Beijing, China.,Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China.,Hematologic Disease Laboratory, Beijing Pediatric Research Institute, Beijing, China
| | - Tianyou Wang
- Hematology Center, Beijing Key Laboratory of Pediatric Hematology Oncology, Beijing, China.,National Key Discipline of Pediatrics, Capital Medical University, Beijing, China.,Key Laboratory of Major Disease in Children, Ministry of Education, Beijing, China.,Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China
| | - Rui Zhang
- Hematology Center, Beijing Key Laboratory of Pediatric Hematology Oncology, Beijing, China.,National Key Discipline of Pediatrics, Capital Medical University, Beijing, China.,Key Laboratory of Major Disease in Children, Ministry of Education, Beijing, China.,Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China
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31
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Ungureanu IA, Cohen-Aubart F, Héritier S, Fraitag S, Charlotte F, Lequain H, Hélias-Rodzewicz Z, Haroche J, Donadieu J, Emile JF. OCT2 expression in histiocytoses. Virchows Arch 2023:10.1007/s00428-023-03508-7. [PMID: 36754897 DOI: 10.1007/s00428-023-03508-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 01/29/2023] [Accepted: 01/31/2023] [Indexed: 02/10/2023]
Abstract
Diagnosis of histiocytosis can be difficult and one of the biggest challenges is to distinguish between reactive and neoplastic histiocytes on histology alone. Recently, OCT2 nuclear expression was reported in Rosai-Dorfman disease (RDD). Our purpose was to expand the testing of OCT2 on a broader variety of sporadic or H syndrome-related histiocytoses. Cases of histiocytoses were retrieved from the files of Ambroise Paré Pathology Department. All slides and molecular analyses were reviewed, and staining was completed with immunohistochemistry for OCT2. A total of 156 samples from different localizations were tested. Among sporadic cases, 52 patients had RDD, and 10 patients had mixed histiocytosis combining RDD with Erdheim Chester disease (ECD, n = 8), Langerhans cell histiocytosis (LCH, n = 2) or juvenile xanthogranuloma (JXG, n = 1). All these patients were positive for OCT2 in RDD characteristic histiocytes. Twenty-three patients had ECD and all but two (91% - 21/23) were negative for OCT2. By contrast, OCT2 was positive in 11/27 (41%) LCH and 6/16 (38%) JXG. Among the 10 samples of H syndrome-associated histiocytosis, 3 had typical RDD histology, 6 had unclassified histiocytosis, and one had mixed RDD-LCH; all were positive for OCT2. On 16 samples of granulomatous lymphadenitis, OCT2 was negative in epithelioid histiocytes. Our study shows that OCT2 has a sensitivity of 100% for RDD cases and mixed histiocytoses with an RDD component. It is negative in 92% of ECD but expressed in at least 38% of LCH, JXG, and C group histiocytoses. Finally, OCT2 is positive in all H syndrome-related histiocytoses, independent of their histology.
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Affiliation(s)
- Irena Antonia Ungureanu
- Pathology Department, Paris-Saclay University, Versailles SQY University (UVSQ), EA4340-BECCOH, Assistance Publique-Hôpitaux de Paris (APHP), Ambroise-Paré Hospital, 9 Avenue Charles de Gaulle, 92104, Boulogne-Billancourt, France
| | - Fleur Cohen-Aubart
- Internal Medicine Department 2, Sorbonne University, APHP, Pitié-Salpêtrière Hospital, French National Referral Center for Rare Systemic Diseases and Histiocytoses, Paris, France
| | - Sébastien Héritier
- Department of Pediatric Oncology and Hematology, Sorbonne University, APHP, Armand-Trousseau Hospital, Referral Center for Histiocytoses, Paris, France
| | - Sylvie Fraitag
- Pathology Department, Necker-Enfants-Malades Hospital, Paris, France
| | - Frédéric Charlotte
- Pathology Department, Pierre Et Marie Curie University, APHP, Pitié-Salpétrière Hospital, Paris, France
| | - Hippolyte Lequain
- Department of Internal Medicine, Claude Bernard-Lyon1 University, Hôpital de La Croix-Rousse, Lyon, France
| | - Zofia Hélias-Rodzewicz
- Pathology Department, Paris-Saclay University, Versailles SQY University (UVSQ), EA4340-BECCOH, Assistance Publique-Hôpitaux de Paris (APHP), Ambroise-Paré Hospital, 9 Avenue Charles de Gaulle, 92104, Boulogne-Billancourt, France
| | - Julien Haroche
- Internal Medicine Department 2, Sorbonne University, APHP, Pitié-Salpêtrière Hospital, French National Referral Center for Rare Systemic Diseases and Histiocytoses, Paris, France
| | - Jean Donadieu
- Pediatric Oncology and Hematology, Armand-Trousseau Hospital, APHP, EA4340-BECCOH, Referral Center for Histiocytoses UVSQ, Paris, France
| | - Jean-François Emile
- Pathology Department, Paris-Saclay University, Versailles SQY University (UVSQ), EA4340-BECCOH, Assistance Publique-Hôpitaux de Paris (APHP), Ambroise-Paré Hospital, 9 Avenue Charles de Gaulle, 92104, Boulogne-Billancourt, France.
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32
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Fayiga FF, Reyes-Hadsall SC, Moreno BA, Oh KS, Brathwaite C, Duarte AM. Novel ANKRD26 and PDGFRB gene mutations in pediatric case of non-Langerhans cell histiocytosis: Case report and literature review. J Cutan Pathol 2023; 50:425-429. [PMID: 36753059 DOI: 10.1111/cup.14404] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 01/30/2023] [Accepted: 02/06/2023] [Indexed: 02/09/2023]
Abstract
Cutaneous non-Langerhans cell histiocytosis (NLCH) is a rare and biologically benign entity that can be broadly classified into two categories: xanthogranuloma and non-xanthogranuloma. The xanthogranuloma family is characterized by a proliferation of histiocytes with both macrophage and dendritic cell differentiation, negative BRAF mutation, and rare Touton-type giant cells. Molecular studies have reported that mutations involved in the MAPK signaling pathways are implicated in the pathophysiology of histiocytoses. While LCH is associated with the somatic mutation of BRAF v600e, however, mutations and gene fusions in NLCH cases are undefined. We hereby present a 19-month-old female with recalcitrant nodular rashes diagnosed as NLCH with associated novel genetic mutation involving ANKRD26 and PDGFRB genes, as well as PDGFRB::CD74 fusion mRNA. Immunohistochemical staining showed strong and diffuse CD68 and CD163 positivity, and negative CD1a, CD207, ALK D5F3, S100 protein, and BRAF V600E (VE1). Albeit unknown significance, this case of an ANKRD26 and PDGFRB gene mutation in cutaneous NLCH has not been reported prior in the literature. Our case highlights the advantage of pathology and genetic studies in cutaneous NLCH to increase the understanding of this heterogeneous enigmatic disorder and identify further options in management.
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Affiliation(s)
- Folasade F Fayiga
- Children's Skin Center, Miami, Florida, USA.,Division of Dermatology, Department of Pediatrics, Nicklaus Children's Hospital, Miami, Florida, USA.,Wright State University Boonshoft School of Medicine, Dayton, Ohio, USA
| | - Sophia C Reyes-Hadsall
- Children's Skin Center, Miami, Florida, USA.,Division of Dermatology, Department of Pediatrics, Nicklaus Children's Hospital, Miami, Florida, USA.,University of Miami Miller School of Medicine, Miami, Florida, USA
| | - Brian A Moreno
- Children's Skin Center, Miami, Florida, USA.,Division of Dermatology, Department of Pediatrics, Nicklaus Children's Hospital, Miami, Florida, USA.,Lake Erie College of Osteopathic Medicine, Bradenton, Florida, USA
| | - Kei Shing Oh
- Mount Sinai Medical Center, Miami Beach, Florida, USA
| | - Carole Brathwaite
- Department of Pathology and Laboratory Medicine, Nicklaus Children's Hospital, Miami, Florida, USA
| | - Ana M Duarte
- Children's Skin Center, Miami, Florida, USA.,Division of Dermatology, Department of Pediatrics, Nicklaus Children's Hospital, Miami, Florida, USA
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33
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Mitsui Y, Adachi K, Goto K, Fukumoto T. Epithelioid fibrous histiocytoma with touton-like giant cells. J Dermatol 2023; 50:e20-e21. [PMID: 36064996 DOI: 10.1111/1346-8138.16569] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Revised: 07/31/2022] [Accepted: 08/19/2022] [Indexed: 01/04/2023]
Affiliation(s)
- Yasuhiro Mitsui
- Department of Dermatology, Nara Medical University School of Medicine, Kashihara, Japan
| | | | - Keisuke Goto
- Department of Pathology, Tokyo Metropolitan Cancer and Infectious Disease Center Komagome Hospital, Tokyo, Japan.,Department of Pathology, Itabashi Central Clinical Laboratory, Tokyo, Japan.,Department of Anatomic Pathology, Tokyo Medical University, Tokyo, Japan.,Department of Diagnostic Pathology, Shizuoka Cancer Center Hospital, Sunto, Japan.,Department of Diagnostic Pathology and Cytology, Osaka International Cancer Institute, Osaka, Japan.,Department of Diagnostic Pathology, Osaka National Hospital, Osaka, Japan.,Department of Dermatology, Hyogo Cancer Center, Akashi, Japan.,Department of Dermato-Oncology/Dermatology, National Hospital Organization Kagoshima Medical Center, Kagoshima, Japan
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34
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Asaulenko ZP, Spiridonov IN, Baram DV, Krivolapov YA. [WHO Classification of Tumors of Hematopoietic and Lymphoid Tissues, 2022 (5th edition): Myeloid and Histiocytic Tumors]. Arkh Patol 2023; 85:36-44. [PMID: 37814848 DOI: 10.17116/patol20238505136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/11/2023]
Abstract
The article reviews the changes in the structure of classification, diagnostic criteria for myeloid and histiocytic neoplasms in the 5th edition of the WHO Classification of Tumors of Hematopoietic and Lymphoid Tissues (2022). Information is presented regarding new nosological forms, renaming and abolition of some previously existing ones. The importance of molecular genetic studies in the isolation of myeloid and histiocytic neoplasms and the need to apply these studies in clinical practice are emphasized. Myeloid and histiocytic precancerous and proliferative processes, genetic tumor syndromes, introduced into the classification for the first time, are considered.
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Affiliation(s)
- Z P Asaulenko
- St. Petersburg City Hospital No 40, St. Petersburg, Russia
| | - I N Spiridonov
- St. Petersburg City Hospital No 40, St. Petersburg, Russia
| | - D V Baram
- Russian Research Institute of Hematology and Transfusiology, St. Petersburg, Russia
| | - Yu A Krivolapov
- North-Western State Medical University named after I.I. Mechnikov, St. Petersburg, Russia
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35
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Bedics G, Csóka M, Reiniger L, Varga E, Liptai Z, Papp G, Bekő A, Cervi C, Bödör C, Scheich B. Novel actionable ROS1::GIT2 fusion in non-Langerhans cell histiocytosis with central nervous system involvement. Acta Neuropathol 2023; 145:153-156. [PMID: 36416966 PMCID: PMC9807475 DOI: 10.1007/s00401-022-02520-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2022] [Revised: 11/05/2022] [Accepted: 11/12/2022] [Indexed: 11/24/2022]
Affiliation(s)
- Gábor Bedics
- Department of Pathology and Experimental Cancer Research, Semmelweis University, Üllői út 26., Budapest, 1085, Hungary
- HCEMM-SU Molecular Oncohematology Research Group, Department of Pathology and Experimental Cancer Research, Semmelweis University, Üllői út 26., Budapest, 1085, Hungary
| | - Monika Csóka
- 2nd Department of Pediatrics, Semmelweis University, Tűzoltó u. 7-9., Budapest, 1094, Hungary
| | - Lilla Reiniger
- Department of Pathology and Experimental Cancer Research, Semmelweis University, Üllői út 26., Budapest, 1085, Hungary
| | - Edit Varga
- 2nd Department of Pediatrics, Semmelweis University, Tűzoltó u. 7-9., Budapest, 1094, Hungary
| | - Zoltán Liptai
- 2nd Department of Pediatrics, Semmelweis University, Tűzoltó u. 7-9., Budapest, 1094, Hungary
| | - Gergő Papp
- Department of Pathology and Experimental Cancer Research, Semmelweis University, Üllői út 26., Budapest, 1085, Hungary
| | - Anna Bekő
- Department of Pathology and Experimental Cancer Research, Semmelweis University, Üllői út 26., Budapest, 1085, Hungary
- HCEMM-SU Molecular Oncohematology Research Group, Department of Pathology and Experimental Cancer Research, Semmelweis University, Üllői út 26., Budapest, 1085, Hungary
| | - Catherine Cervi
- 2nd Department of Pediatrics, Semmelweis University, Tűzoltó u. 7-9., Budapest, 1094, Hungary
| | - Csaba Bödör
- Department of Pathology and Experimental Cancer Research, Semmelweis University, Üllői út 26., Budapest, 1085, Hungary
- HCEMM-SU Molecular Oncohematology Research Group, Department of Pathology and Experimental Cancer Research, Semmelweis University, Üllői út 26., Budapest, 1085, Hungary
| | - Bálint Scheich
- Department of Pathology and Experimental Cancer Research, Semmelweis University, Üllői út 26., Budapest, 1085, Hungary.
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36
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de Leval L, Alizadeh AA, Bergsagel PL, Campo E, Davies A, Dogan A, Fitzgibbon J, Horwitz SM, Melnick AM, Morice WG, Morin RD, Nadel B, Pileri SA, Rosenquist R, Rossi D, Salaverria I, Steidl C, Treon SP, Zelenetz AD, Advani RH, Allen CE, Ansell SM, Chan WC, Cook JR, Cook LB, d’Amore F, Dirnhofer S, Dreyling M, Dunleavy K, Feldman AL, Fend F, Gaulard P, Ghia P, Gribben JG, Hermine O, Hodson DJ, Hsi ED, Inghirami G, Jaffe ES, Karube K, Kataoka K, Klapper W, Kim WS, King RL, Ko YH, LaCasce AS, Lenz G, Martin-Subero JI, Piris MA, Pittaluga S, Pasqualucci L, Quintanilla-Martinez L, Rodig SJ, Rosenwald A, Salles GA, San-Miguel J, Savage KJ, Sehn LH, Semenzato G, Staudt LM, Swerdlow SH, Tam CS, Trotman J, Vose JM, Weigert O, Wilson WH, Winter JN, Wu CJ, Zinzani PL, Zucca E, Bagg A, Scott DW. Genomic profiling for clinical decision making in lymphoid neoplasms. Blood 2022; 140:2193-2227. [PMID: 36001803 PMCID: PMC9837456 DOI: 10.1182/blood.2022015854] [Citation(s) in RCA: 53] [Impact Index Per Article: 26.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Accepted: 08/15/2022] [Indexed: 01/28/2023] Open
Abstract
With the introduction of large-scale molecular profiling methods and high-throughput sequencing technologies, the genomic features of most lymphoid neoplasms have been characterized at an unprecedented scale. Although the principles for the classification and diagnosis of these disorders, founded on a multidimensional definition of disease entities, have been consolidated over the past 25 years, novel genomic data have markedly enhanced our understanding of lymphomagenesis and enriched the description of disease entities at the molecular level. Yet, the current diagnosis of lymphoid tumors is largely based on morphological assessment and immunophenotyping, with only few entities being defined by genomic criteria. This paper, which accompanies the International Consensus Classification of mature lymphoid neoplasms, will address how established assays and newly developed technologies for molecular testing already complement clinical diagnoses and provide a novel lens on disease classification. More specifically, their contributions to diagnosis refinement, risk stratification, and therapy prediction will be considered for the main categories of lymphoid neoplasms. The potential of whole-genome sequencing, circulating tumor DNA analyses, single-cell analyses, and epigenetic profiling will be discussed because these will likely become important future tools for implementing precision medicine approaches in clinical decision making for patients with lymphoid malignancies.
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Affiliation(s)
- Laurence de Leval
- Institute of Pathology, Department of Laboratory Medicine and Pathology, Lausanne University Hospital and Lausanne University, Lausanne, Switzerland
| | - Ash A. Alizadeh
- Division of Oncology, Department of Medicine, Stanford University, Stanford, CA
- Stanford Cancer Institute, Stanford University, Stanford, CA
- Institute for Stem Cell Biology and Regenerative Medicine, Stanford University, Stanford, CA
- Division of Hematology, Department of Medicine, Stanford University, Stanford, CA
| | - P. Leif Bergsagel
- Division of Hematology, Department of Internal Medicine, Mayo Clinic, Phoenix, AZ
| | - Elias Campo
- Haematopathology Section, Hospital Clínic, Institut d'Investigaciones Biomèdiques August Pi I Sunyer (IDIBAPS), University of Barcelona, Barcelona, Spain
| | - Andrew Davies
- Centre for Cancer Immunology, University of Southampton, Southampton, United Kingdom
| | - Ahmet Dogan
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Jude Fitzgibbon
- Haemato-Oncology, Barts Cancer Institute, Queen Mary University of London, London, United Kingdom
| | - Steven M. Horwitz
- Lymphoma Service, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Ari M. Melnick
- Department of Medicine, Weill Cornell Medicine, New York, NY
| | - William G. Morice
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN
| | - Ryan D. Morin
- Department of Molecular Biology and Biochemistry, Simon Fraser University, Burnaby, BC, Canada
- Genome Sciences Centre, BC Cancer, Vancouver, BC, Canada
- BC Cancer Centre for Lymphoid Cancer, Vancouver, BC, Canada
| | - Bertrand Nadel
- Aix Marseille University, CNRS, INSERM, CIML, Marseille, France
| | - Stefano A. Pileri
- Haematopathology Division, IRCCS, Istituto Europeo di Oncologia, IEO, Milan, Italy
| | - Richard Rosenquist
- Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
- Clinical Genetics, Karolinska University Laboratory, Karolinska University Hospital, Solna, Sweden
| | - Davide Rossi
- Institute of Oncology Research and Oncology Institute of Southern Switzerland, Faculty of Biomedical Sciences, Università della Svizzera Italiana, Bellinzona, Switzerland
| | - Itziar Salaverria
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Christian Steidl
- Centre for Lymphoid Cancer, BC Cancer and University of British Columbia, Vancouver, Canada
| | | | - Andrew D. Zelenetz
- Lymphoma Service, Memorial Sloan Kettering Cancer Center, New York, NY
- Department of Medicine, Weill Cornell Medicine, New York, NY
| | - Ranjana H. Advani
- Division of Oncology, Department of Medicine, Stanford University, Stanford, CA
| | - Carl E. Allen
- Division of Pediatric Hematology-Oncology, Baylor College of Medicine, Houston, TX
| | | | - Wing C. Chan
- Department of Pathology, City of Hope National Medical Center, Duarte, CA
| | - James R. Cook
- Pathology and Laboratory Medicine Institute, Cleveland Clinic, Cleveland, OH
| | - Lucy B. Cook
- Centre for Haematology, Imperial College London, London, United Kingdom
| | - Francesco d’Amore
- Department of Hematology, Aarhus University Hospital, Aarhus, Denmark
| | - Stefan Dirnhofer
- Institute of Medical Genetics and Pathology, University Hospital Basel, University of Basel, Basel, Switzerland
| | | | - Kieron Dunleavy
- Division of Hematology and Oncology, Georgetown Lombardi Comprehensive Cancer Centre, Georgetown University Hospital, Washington, DC
| | - Andrew L. Feldman
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN
| | - Falko Fend
- Institute of Pathology and Neuropathology, Eberhard Karls University of Tübingen and Comprehensive Cancer Center, University Hospital Tübingen, Tübingen, Germany
| | - Philippe Gaulard
- Department of Pathology, University Hospital Henri Mondor, AP-HP, Créteil, France
- Faculty of Medicine, IMRB, INSERM U955, University of Paris-Est Créteil, Créteil, France
| | - Paolo Ghia
- Università Vita-Salute San Raffaele and IRCCS Ospedale San Raffaele, Milan, Italy
| | - John G. Gribben
- Haemato-Oncology, Barts Cancer Institute, Queen Mary University of London, London, United Kingdom
| | - Olivier Hermine
- Service D’hématologie, Hôpital Universitaire Necker, Université René Descartes, Assistance Publique Hôpitaux de Paris, Paris, France
| | - Daniel J. Hodson
- Wellcome MRC Cambridge Stem Cell Institute, Cambridge Biomedical Campus, Cambridge, United Kingdom
- Department of Haematology, University of Cambridge, Cambridge, United Kingdom
| | - Eric D. Hsi
- Department of Pathology, Wake Forest School of Medicine, Winston-Salem, NC
| | - Giorgio Inghirami
- Department of Pathology and Laboratory Medicine, Weill Cornell Medicine, New York, NY
| | - Elaine S. Jaffe
- Hematopathology Section, Laboratory of Pathology, National Cancer Institute, National Institutes of Health, Bethesda, MD
| | - Kennosuke Karube
- Department of Pathology and Laboratory Medicine, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Keisuke Kataoka
- Division of Molecular Oncology, National Cancer Center Research Institute, Toyko, Japan
- Division of Hematology, Department of Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Wolfram Klapper
- Hematopathology Section and Lymph Node Registry, Department of Pathology, University Hospital Schleswig-Holstein, Kiel, Germany
| | - Won Seog Kim
- Sungkyunkwan University School of Medicine, Samsung Medical Center, Seoul, South Korea
| | - Rebecca L. King
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN
| | - Young H. Ko
- Department of Pathology, Cheju Halla General Hospital, Jeju, Korea
| | | | - Georg Lenz
- Department of Medicine A, Hematology, Oncology and Pneumology, University Hospital Muenster, Muenster, Germany
| | - José I. Martin-Subero
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), University of Barcelona, Institució Catalana de Recerca i Estudis Avançats (ICREA), Barcelona, Spain
| | - Miguel A. Piris
- Department of Pathology, Jiménez Díaz Foundation University Hospital, CIBERONC, Madrid, Spain
| | - Stefania Pittaluga
- Hematopathology Section, Laboratory of Pathology, National Cancer Institute, National Institutes of Health, Bethesda, MD
| | - Laura Pasqualucci
- Institute for Cancer Genetics, Columbia University, New York, NY
- Department of Pathology & Cell Biology, Columbia University, New York, NY
- The Herbert Irving Comprehensive Cancer Center, Columbia University, New York, NY
| | - Leticia Quintanilla-Martinez
- Institute of Pathology and Neuropathology, Eberhard Karls University of Tübingen and Comprehensive Cancer Center, University Hospital Tübingen, Tübingen, Germany
| | - Scott J. Rodig
- Department of Pathology, Brigham and Women’s Hospital, Boston, MA
| | | | - Gilles A. Salles
- Lymphoma Service, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Jesus San-Miguel
- Clínica Universidad de Navarra, Navarra, Cancer Center of University of Navarra, Cima Universidad de NavarraI, Instituto de Investigacion Sanitaria de Navarra, Centro de Investigación Biomédica en Red de Céncer, Pamplona, Spain
| | - Kerry J. Savage
- Centre for Lymphoid Cancer, BC Cancer and University of British Columbia, Vancouver, Canada
| | - Laurie H. Sehn
- Centre for Lymphoid Cancer, BC Cancer and University of British Columbia, Vancouver, Canada
| | - Gianpietro Semenzato
- Department of Medicine, University of Padua and Veneto Institute of Molecular Medicine, Padova, Italy
| | - Louis M. Staudt
- Lymphoid Malignancies Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD
| | - Steven H. Swerdlow
- Department of Pathology, University of Pittsburgh School of Medicine, Pittsburgh, PA
| | | | - Judith Trotman
- Haematology Department, Concord Repatriation General Hospital, Sydney, Australia
| | - Julie M. Vose
- Department of Internal Medicine, Division of Hematology-Oncology, University of Nebraska Medical Center, Omaha, NE
| | - Oliver Weigert
- Department of Medicine III, LMU Hospital, Munich, Germany
| | - Wyndham H. Wilson
- Lymphoid Malignancies Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD
| | - Jane N. Winter
- Feinberg School of Medicine, Northwestern University, Chicago, IL
| | | | - Pier L. Zinzani
- IRCCS Azienda Ospedaliero-Universitaria di Bologna Istitudo di Ematologia “Seràgnoli” and Dipartimento di Medicina Specialistica, Diagnostica e Sperimentale Università di Bologna, Bologna, Italy
| | - Emanuele Zucca
- Institute of Oncology Research and Oncology Institute of Southern Switzerland, Faculty of Biomedical Sciences, Università della Svizzera Italiana, Bellinzona, Switzerland
| | - Adam Bagg
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
| | - David W. Scott
- Centre for Lymphoid Cancer, BC Cancer and University of British Columbia, Vancouver, Canada
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37
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Potapenko VG, Baykov VV, Zinchenko AV, Potikhonova NA. Langerhans cell histiocytosis in adults: literature review. Onkogematologiâ 2022. [DOI: 10.17650/1818-8346-2022-17-4-16-32] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Langerhans cells histiocytosis is a variant of malignant histiocytosis. The course and symptoms vary. patients with localized forms have a better prognosis, because local therapy is effective. patients with multifocal forms of histiocytosis receive systemic drug therapy, which cures some of the patients. This review provides up-to-date data about typical presentation of the organ involvement, diagnosis, course and therapy of various forms of Langerhans cells histiocytosis.
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Affiliation(s)
| | - V. V. Baykov
- I.P. Pavlov First Saint Petersburg State Medical University, Ministry of Health of Russia
| | - A. V. Zinchenko
- I.P. Pavlov First Saint Petersburg State Medical University, Ministry of Health of Russia
| | - N. A. Potikhonova
- Russian Research Institute of Hematology and Transfusiology, Federal Medical and Biological Agency
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38
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Serrallach BL, Kralik SF, Tran BH, Huisman TAGM, Patel RP, Allen CE, McClain KL, Gulati N, Dillard-Ilboudo CQ, Hicks MJ, Mohila CA, Desai NK. Neuroimaging in Pediatric Patients with Juvenile Xanthogranuloma of the CNS. AJNR Am J Neuroradiol 2022; 43:1667-1673. [PMID: 36265894 PMCID: PMC9731252 DOI: 10.3174/ajnr.a7683] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Accepted: 08/08/2022] [Indexed: 02/01/2023]
Abstract
BACKGROUND AND PURPOSE Juvenile xanthogranuloma is a rare clonal, myeloid, neoplastic disorder. Typically, juvenile xanthogranuloma is a self-limited disorder of infancy, often presenting as a solitary red-brown or yellow skin papule/nodule. A small subset of patients present with extracutaneous, systemic juvenile xanthogranuloma, which may include the CNS. The goal of this retrospective study was to evaluate and categorize the neuroimaging findings in a representative cohort of pediatric patients with CNS juvenile xanthogranuloma. MATERIALS AND METHODS The brain and/or spine MR imaging data of 14 pediatric patients with pathology-proven juvenile xanthogranuloma were categorized and evaluated for the location; the signal intensity of xanthogranulomas on T1WI, T2WI, DWI, and a matching ADC map for the pattern and degree of contrast enhancement; and the presence of perilesional edema, cysts, or necrosis. RESULTS Fourteen pediatric patients (8 girls, 6 boys; mean age, 84 months) were included in the study. Patients presented with a wide variety of different symptoms, including headache, seizure, ataxia, strabismus, hearing loss, facial paresis, and diabetes insipidus. Juvenile xanthogranuloma lesions were identified in a number of different sites, including supra- and infratentorial as well as intracranial and spinal leptomeningeal. Five patients were categorized into the neuroradiologic pattern unifocal CNS juvenile xanthogranuloma; 8, into multifocal CNS juvenile xanthogranuloma; and 1, into multifocal CNS juvenile xanthogranuloma with intracranial and spinal leptomeningeal disease. In most cases, xanthogranulomas were small-to-medium intra-axial masses with isointense signal on T1WI (compared with cortical GM), iso- or hyperintense signal on T2WI, had restricted diffusion and perilesional edema. Almost all xanthogranulomas showed avid contrast enhancement. However, we also identified less common patterns with large lesions, nonenhancing lesions, or leptomeningeal disease. Four cases had an additional CT available. On CT, all xanthogranulomas were homogeneously hyperdense (solid component) without evident calcifications. CONCLUSIONS CNS juvenile xanthogranuloma may demonstrate heterogeneous neuroimaging appearances potentially mimicking other diseases, such as primary brain neoplasms, metastatic disease, lymphoma and leukemia, other histiocytic disorders, infections, or granulomatous diseases.
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Affiliation(s)
- B L Serrallach
- From the Edward B. Singleton Department of Radiology (B.L.S., S.F.K., B.H.T., T.A.G.M.H., R.P.P., N.K.D.)
| | - S F Kralik
- From the Edward B. Singleton Department of Radiology (B.L.S., S.F.K., B.H.T., T.A.G.M.H., R.P.P., N.K.D.)
| | - B H Tran
- From the Edward B. Singleton Department of Radiology (B.L.S., S.F.K., B.H.T., T.A.G.M.H., R.P.P., N.K.D.)
| | - T A G M Huisman
- From the Edward B. Singleton Department of Radiology (B.L.S., S.F.K., B.H.T., T.A.G.M.H., R.P.P., N.K.D.)
| | - R P Patel
- From the Edward B. Singleton Department of Radiology (B.L.S., S.F.K., B.H.T., T.A.G.M.H., R.P.P., N.K.D.)
| | - C E Allen
- Department of Pediatrics (C.E.A., K.L.M., N.G., C.Q.D.-I.), Section of Hematology-Oncology
| | - K L McClain
- Department of Pediatrics (C.E.A., K.L.M., N.G., C.Q.D.-I.), Section of Hematology-Oncology
| | - N Gulati
- Department of Pediatrics (C.E.A., K.L.M., N.G., C.Q.D.-I.), Section of Hematology-Oncology
| | - C Q Dillard-Ilboudo
- Department of Pediatrics (C.E.A., K.L.M., N.G., C.Q.D.-I.), Section of Hematology-Oncology
| | - M J Hicks
- Department of Pathology and Immunology (M.J.H., C.A.M.), Texas Children's Hospital and Baylor College of Medicine, Houston, Texas
| | - C A Mohila
- Department of Pathology and Immunology (M.J.H., C.A.M.), Texas Children's Hospital and Baylor College of Medicine, Houston, Texas
| | - N K Desai
- From the Edward B. Singleton Department of Radiology (B.L.S., S.F.K., B.H.T., T.A.G.M.H., R.P.P., N.K.D.)
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Elbaz Younes I, Sokol L, Zhang L. Rosai-Dorfman Disease between Proliferation and Neoplasia. Cancers (Basel) 2022; 14:5271. [PMID: 36358690 PMCID: PMC9654168 DOI: 10.3390/cancers14215271] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 10/17/2022] [Accepted: 10/20/2022] [Indexed: 09/20/2023] Open
Abstract
Rosai-Dorfman disease (RDD) is a rare myeloproliferative disorder of histiocytes with a broad spectrum of clinical manifestations and peculiar morphologic features (accumulation of histiocytes with emperipolesis). Typically, the patient with RDD shows bilateral painless, massive cervical lymphadenopathy associated with B symptoms. Approximately 43% of patients presented with extranodal involvement. According to the 2016 revised histiocytosis classification, RDD belongs to the R group, including familial and sporadic form (classical nodal, extranodal, unclassified, or RDD associated with neoplasia or immune disease). Sporadic RDD is often self-limited. Most RDD needs only local therapies. Nevertheless, a small subpopulation of patients may be refractory to conventional therapy and die of the disease. Recent studies consider RDD a clonal neoplastic process, as approximately 1/3 of these patients harbor gene mutations involving the MAPK/ERK pathway, e.g., NRAS, KRAS, MAP2K1, and, rarely, the BRAF mutation. In addition to typical histiocytic markers (S100/fascin/CD68/CD163, etc.), recent studies show that the histiocytes in RDD also express BCL-1 and OCT2, which might be important in pathogenesis. Additionally, the heterozygous germline mutation involving the FAS gene TNFRSF6 is identified in some RDD patients with an autoimmune lymphoproliferative syndrome type Ia. SLC29A3 germline mutation is associated with familial or Faisalabad histiocytosis and H syndrome.
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Affiliation(s)
| | - Lubomir Sokol
- Department of Hematology and Oncology, Moffitt Cancer Center, Tampa, FL 33612, USA
| | - Ling Zhang
- Department of Pathology, Moffitt Cancer Center, Tampa, FL 33612, USA
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Sheng SJ, Li JM, Fan QH, Liu Y, Chen SY, Zhao M, Gong QX. Case report: ALK-rearranged spindle and epithelioid cell neoplasms with S100 and CD34 co-expression: Additional evidence of kinase fusion-positive soft tissue tumors. Front Oncol 2022; 12:1007296. [PMID: 36387173 PMCID: PMC9643764 DOI: 10.3389/fonc.2022.1007296] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2022] [Accepted: 10/10/2022] [Indexed: 09/21/2023] Open
Abstract
ALK rearrangements have rarely been reported in S100- and CD34-co-expressing soft tissue neoplasms with lipofibromatosis-like neural tumor (LPFNT) pattern or stromal and perivascular hyalinization, mimicking NTRK-rearranged spindle cell tumors. Here, we reported ALK fusions involving related partner genes in two adult soft tissue tumors with S100 and CD34 co-expression, and conducted a literature review of mesenchymal tumors harboring ALK or other kinase fusions. Case 1 was a 25-year-old female who underwent excision of a soft tissue mass in the anterior thigh region. Morphologically, the tumor was composed of spindle cells adjacent to epithelioid cells embedded in myxedematous and hyalinized stroma, with infiltrative boundary. Spindle cells mixed with inflammatory infiltration resembling inflammatory myofibroblastic tumor (IMT) were seen sporadically. However, brisk mitosis and focal necrosis was also observed, indicating an intermediate-grade sarcoma. In case 2, the left side of the neck of a 34-year-old man was affected. The tumor was composed of monomorphic spindle cells arranged in fascicular growth or patternless pattern, with stromal and perivascular hyalinization. Sparse inflammatory cell infiltration was also observed. Both tumors showed CD34, S100, and ALK-D5F3 immunoreactivity. Next generation sequencing (NGS) test identified a PLEKHH2::ALK fusion in case 1, which was confirmed by RT-PCR and Sanger sequencing, whereas the RT-PCR (ARMS method) test detected an EML4::ALK fusion in case 2. In conclusion, this study expands the morphological and genetic landscape of tumors with S100 and CD34 co-expression harboring kinase fusions, and suggests that kinase fusion-positive mesenchymal neoplasms are becoming an enlarging entity with a variety of morphological patterns.
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Affiliation(s)
- Shao-Jie Sheng
- Department of Pathology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
- Department of Pathology, The First People’s Hospital of Changzhou, Changzhou, China
| | - Ju-Ming Li
- Department of Orthopedics, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Qin-He Fan
- Department of Pathology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Yang Liu
- Department of Pathology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Shao-Yu Chen
- R & D department, Guangzhou LBP Medicine Science & Technology Co., Ltd, Guangzhou, China
| | - Ming Zhao
- Cancer Center, Department of Pathology, Zhejiang Province People’s Hospital, People’s Hospital of Hangzhou Medical College, Hangzhou, China
| | - Qi-Xing Gong
- Department of Pathology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
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Xiang Y, Zhang S, Fang X, Jiang Y, Fang T, Liu J, Lu K. Therapeutic Advances of Rare ALK Fusions in Non-Small Cell Lung Cancer. Curr Oncol 2022; 29:7816-31. [PMID: 36290895 DOI: 10.3390/curroncol29100618] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 10/05/2022] [Accepted: 10/13/2022] [Indexed: 01/11/2023] Open
Abstract
Non-small cell lung cancer (NSCLC) accounts for approximately 85% of all lung cancer cases and is the leading cause of cancer-related death. Despite advances in chemotherapy and immunotherapy, the prognosis for advanced patients remains poor. The discovery of oncogenic driver mutations, such as anaplastic lymphoma kinase (ALK) mutations, means that a subset of patients has opportunities for targeted therapy. With the improvement of genetic testing coverage, more and more ALK fusion subtypes and ALK partners have been discovered, and more than 90 rare ALK fusion subtypes have been found in NSCLC. However, unlike the common fusion, echinoderm microtubule-associated protein-like 4 (EML4)-ALK, some rare ALK fusions such as striatin (STRN)-ALK and huntingtin interacting protein 1 (HIP1)-ALK, etc., the large-scale clinical data related to its efficacy are still immature. The clinical application of ALK-tyrosine kinase inhibitors (ALK-TKIs) mainly depends on the positivity of the ALK gene, regardless of the molecular characteristics of the fusion partner. Recent clinical studies in the ALK-positive NSCLC population have demonstrated differences in progression-free survival (PFS) among patients based on different ALK fusion subtypes. This article will introduce the biological characteristics of ALK fusion kinase and common detection methods of ALK fusion and focus on summarizing the differential responses of several rare ALK fusions to ALK-TKIs, and propose corresponding treatment strategies, so as to better guide the application of ALK-TKIs in rare ALK fusion population.
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Aoki Y, Maeda M, Kishi S, Kogue R, Tanaka F, Umino M, Takeoka M, Hanaki R, Hirayama J, Yuasa H, Imai H, Hirayama M, Sakuma H. Central nervous system involvement of systemic ALK-positive histiocytosis with KIF5B-ALK fusion. Radiol Case Rep 2022; 17:3867-3870. [PMID: 35982724 PMCID: PMC9379947 DOI: 10.1016/j.radcr.2022.07.072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Accepted: 07/16/2022] [Indexed: 11/15/2022] Open
Abstract
ALK-positive histiocytosis is an emerging histiocytic entity that can involve a single organ or multiple organs. This disease frequently involves the central nervous system, and the importance of immunohistochemical and genetic analyses is emphasized for the accurate diagnosis of this rare entity. However, radiological findings of this disease have not been sufficiently described. Here, we report a case of a 3-year-old boy with ALK-positive histiocytosis with systemic masses that was identified to harbor KIF5B-ALK gene fusion.
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Affiliation(s)
- Yuzuna Aoki
- Department of Radiology, Mie University School of Medicine, Tsu, Mie, Japan
| | - Masayuki Maeda
- Department of Neuroradiology, Mie University School of Medicine, 2-174 Edobashi, Tsu 514-8507, Mie, Japan
- Corresponding author.
| | - Seiya Kishi
- Department of Radiology, Mie University School of Medicine, Tsu, Mie, Japan
| | - Ryota Kogue
- Department of Radiology, Mie University School of Medicine, Tsu, Mie, Japan
| | - Fumine Tanaka
- Department of Radiology, Mie University School of Medicine, Tsu, Mie, Japan
| | - Maki Umino
- Department of Radiology, Mie University School of Medicine, Tsu, Mie, Japan
| | - Mami Takeoka
- Department of Pediatrics, Mie University School of Medicine, Tsu, Mie, Japan
| | - Ryo Hanaki
- Department of Pediatrics, Mie University School of Medicine, Tsu, Mie, Japan
| | - Junya Hirayama
- Department of Pediatrics, Mie University School of Medicine, Tsu, Mie, Japan
| | - Hiroto Yuasa
- Pathology Division, Mie University Hospital, Tsu, Mie, Japan
| | - Hiroshi Imai
- Pathology Division, Mie University Hospital, Tsu, Mie, Japan
| | - Masahiro Hirayama
- Department of Pediatrics, Mie University School of Medicine, Tsu, Mie, Japan
| | - Hajime Sakuma
- Department of Radiology, Mie University School of Medicine, Tsu, Mie, Japan
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43
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Campo E, Jaffe ES, Cook JR, Quintanilla-Martinez L, Swerdlow SH, Anderson KC, Brousset P, Cerroni L, de Leval L, Dirnhofer S, Dogan A, Feldman AL, Fend F, Friedberg JW, Gaulard P, Ghia P, Horwitz SM, King RL, Salles G, San-Miguel J, Seymour JF, Treon SP, Vose JM, Zucca E, Advani R, Ansell S, Au WY, Barrionuevo C, Bergsagel L, Chan WC, Cohen JI, d'Amore F, Davies A, Falini B, Ghobrial IM, Goodlad JR, Gribben JG, Hsi ED, Kahl BS, Kim WS, Kumar S, LaCasce AS, Laurent C, Lenz G, Leonard JP, Link MP, Lopez-Guillermo A, Mateos MV, Macintyre E, Melnick AM, Morschhauser F, Nakamura S, Narbaitz M, Pavlovsky A, Pileri SA, Piris M, Pro B, Rajkumar V, Rosen ST, Sander B, Sehn L, Shipp MA, Smith SM, Staudt LM, Thieblemont C, Tousseyn T, Wilson WH, Yoshino T, Zinzani PL, Dreyling M, Scott DW, Winter JN, Zelenetz AD. The International Consensus Classification of Mature Lymphoid Neoplasms: a report from the Clinical Advisory Committee. Blood 2022; 140:1229-1253. [PMID: 35653592 PMCID: PMC9479027 DOI: 10.1182/blood.2022015851] [Citation(s) in RCA: 450] [Impact Index Per Article: 225.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Accepted: 05/18/2022] [Indexed: 11/20/2022] Open
Abstract
Since the publication of the Revised European-American Classification of Lymphoid Neoplasms in 1994, subsequent updates of the classification of lymphoid neoplasms have been generated through iterative international efforts to achieve broad consensus among hematopathologists, geneticists, molecular scientists, and clinicians. Significant progress has recently been made in the characterization of malignancies of the immune system, with many new insights provided by genomic studies. They have led to this proposal. We have followed the same process that was successfully used for the third and fourth editions of the World Health Organization Classification of Hematologic Neoplasms. The definition, recommended studies, and criteria for the diagnosis of many entities have been extensively refined. Some categories considered provisional have now been upgraded to definite entities. Terminology for some diseases has been revised to adapt nomenclature to the current knowledge of their biology, but these modifications have been restricted to well-justified situations. Major findings from recent genomic studies have impacted the conceptual framework and diagnostic criteria for many disease entities. These changes will have an impact on optimal clinical management. The conclusions of this work are summarized in this report as the proposed International Consensus Classification of mature lymphoid, histiocytic, and dendritic cell tumors.
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Affiliation(s)
- Elias Campo
- Haematopathology Section, Hospital Clínic of Barcelona, Institut d'Investigaciones Biomèdiques August Pi I Sunyer (IDIBAPS), University of Barcelona, Centro de Investigación Biomédica en Red de Cancer (CIBERONC), Barcelona, Spain
| | - Elaine S Jaffe
- Hematopathology Section, Laboratory of Pathology, Center for Cancer Research, National Cancer Institute, Bethesda, MD
| | - James R Cook
- Pathology and Laboratory Medicine Institute, Cleveland Clinic, Cleveland, OH
| | - Leticia Quintanilla-Martinez
- Institute of Pathology and Neuropathology, Eberhard Karls University of Tübingen and Comprehensive Cancer Center, University Hospital Tübingen, Tübingen, Germany
| | - Steven H Swerdlow
- Department of Pathology, University of Pittsburgh School of Medicine, University of Pittsburgh, Pittsburgh, PA
| | | | - Pierre Brousset
- Department of Pathology, Institut Universitaire du Cancer de Toulouse-Oncopole, and Laboratoire d'Excellence Toulouse Cancer, Toulouse, France
| | - Lorenzo Cerroni
- Department of Dermatology, Medical University of Graz, Graz, Austria
| | - Laurence de Leval
- Institute of Pathology, Department of Laboratory Medicine and Pathology, Lausanne University Hospital and Lausanne University, Lausanne, Switzerland
| | - Stefan Dirnhofer
- Institute of Medical Genetics and Pathology, University Hospital Basel, University of Basel, Basel, Switzerland
| | - Ahmet Dogan
- Laboratory of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Andrew L Feldman
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN
| | - Falko Fend
- Institute of Pathology and Neuropathology, Eberhard Karls University of Tübingen and Comprehensive Cancer Center, University Hospital Tübingen, Tübingen, Germany
| | | | - Philippe Gaulard
- Department of Pathology, University Hospital Henri Mondor, Assistance Publique-Hôpitaux de Paris (AP-HP), Créteil, France
- Mondor Institute for Biomedical Research, INSERM U955, Faculty of Medicine, University of Paris-Est Créteil, Créteil, France
| | - Paolo Ghia
- Strategic Research Program on Chronic Lymphocytic Leukemia, Division of Experimental Oncology, IRCCS Ospedale San Raffaele and Università Vita-Salute San Raffaele, Milan, Italy
| | - Steven M Horwitz
- Lymphoma Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Rebecca L King
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN
| | - Gilles Salles
- Lymphoma Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Jesus San-Miguel
- Clínica Universidad de Navarra, Centro de Investigación Médica Aplicada, Instituto de Investigación Sanitaria de Navarra, CIBERONC, Pamplona, Spain
| | - John F Seymour
- Peter MacCallum Cancer Centre and Royal Melbourne Hospital, Melbourne, VIC, Australia
| | | | - Julie M Vose
- Division of Hematology-Oncology, Department of Internal Medicine, University of Nebraska Medical Center, University of Nebraska, Omaha, NE
| | - Emanuele Zucca
- Oncology Institute of Southern Switzerland, Ente Ospedaliero Cantonale, and Institute of Oncology Research, Università della Svizzera Italiana, Bellinzona, Switzerland
| | - Ranjana Advani
- Stanford Cancer Center, Blood and Marrow Transplant Program, Stanford University, Stanford, CA
| | - Stephen Ansell
- Division of Hematology, Department of Medicine, Mayo Clinic, Rochester, MN
| | - Wing-Yan Au
- Blood-Med Clinic, Hong Kong, People's Republic of China
| | - Carlos Barrionuevo
- Department of Pathology, Instituto Nacional de Enfermedades Neoplásicas, Faculty of Medicine, Universidad Nacional Mayor de San Marcos, Lima, Peru
| | - Leif Bergsagel
- Division of Hematology, Department of Internal Medicine, Mayo Clinic, Phoenix, AZ
| | - Wing C Chan
- Department of Pathology, City of Hope National Medical Center, Duarte, CA
| | - Jeffrey I Cohen
- Medical Virology Section, Laboratory of Infectious Diseases, National Institutes of Health, National Institute of Allergy and Infectious Diseases, Bethesda, MD
| | - Francesco d'Amore
- Department of Hematology, Aarhus University Hospital, Aarhus, Denmark
| | - Andrew Davies
- Cancer Research UK Centre, Centre for Cancer Immunology, Faculty of Medicine, Southampton General Hospital, University of Southampton, Southampton, United Kingdom
| | - Brunangelo Falini
- Institute of Hematology and Center for Hemato-Oncology Research, Hospital of Perugia, University of Perugia , Perugia, Italy
| | - Irene M Ghobrial
- Dana-Farber Cancer Institute, Boston, MA
- Harvard Medical School, Harvard University, Boston, MA
| | - John R Goodlad
- National Health Service Greater Glasgow and Clyde, Glasgow, United Kingdom
| | - John G Gribben
- Department of Haemato-Oncology, Barts Cancer Institute, Queen Mary University of London, London, United Kingdom
| | - Eric D Hsi
- Department of Pathology, Wake Forest School of Medicine, Wake Forest University, Winston-Salem, NC
| | - Brad S Kahl
- Oncology Division, Washington University School of Medicine, Washington University in St. Louis, St. Louis, MO
| | - Won-Seog Kim
- Hematology and Oncology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea
| | - Shaji Kumar
- Division of Hematology, Department of Medicine, Mayo Clinic, Rochester, MN
| | | | - Camille Laurent
- Department of Pathology, Institut Universitaire du Cancer de Toulouse-Oncopole, and Laboratoire d'Excellence Toulouse Cancer, Toulouse, France
| | - Georg Lenz
- Department of Medicine A, Hematology, Oncology and Pneumology, University Hospital Muenster, Muenster, Germany
| | - John P Leonard
- Weill Department of Medicine, Weill Medical College, Cornell University, New York, NY
| | - Michael P Link
- Department of Pediatrics, Division of Pediatric Hematology-Oncology, Stanford University School of Medicine, Stanford University, Stanford, CA
| | - Armando Lopez-Guillermo
- Department of Hematology, Hospital Clínic, IDIBAPS, University of Barcelona, Barcelona, Spain
| | - Maria Victoria Mateos
- Department of Hematology, Hospital Universitario de Salamanca, Instituto de Investigación Biomédica de Salamanca, Centro de Investigación del Cancer, Universidad de Salamanca, Salamanca, Spain
| | - Elizabeth Macintyre
- Laboratoire d'Onco-Hématologie, AP-HP, Hôpital Necker-Enfants Malades, Université de Paris Cité and Institut Necker-Enfants Malades, Paris, France
| | - Ari M Melnick
- Division of Hematology and Oncology, Weill Medical College, Cornell University, New York, NY
| | - Franck Morschhauser
- Department of Hematology, Centre Hospitalier Universitaire de Lille, University Lille, Lille, France
| | - Shigeo Nakamura
- Department of Pathology and Laboratory Medicine, Nagoya University Hospital, Nagoya, Japan
| | - Marina Narbaitz
- Department of Pathology, Instituto de Investigaciones Hematológicas, Academia Nacional de Medicina and Fundacion para combatir la leucemia (FUNDALEU), Buenos Aires, Argentina
| | - Astrid Pavlovsky
- Fundación para Combatir la Leucemia (FUNDALEU), Centro de Hematología Pavlovsky, Buenos Aires, Argentina
| | - Stefano A Pileri
- Haematopathology Division, IRCCS, Istituto Europeo di Oncologia, Milan, Italy
| | - Miguel Piris
- Jiménez Díaz Foundation University Hospital, Universidad Autónoma de Madrid, Madrid, Spain
| | - Barbara Pro
- Division of Hematology and Oncology, Department of Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL
| | - Vincent Rajkumar
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN
| | - Steven T Rosen
- Beckman Research Institute, and Department of Hematology & Hematopoietic Cell Transplantation, City of Hope National Medical Center, Duarte, CA
| | - Birgitta Sander
- Department of Laboratory Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Laurie Sehn
- Centre for Lymphoid Cancer, British Columbia Cancer Agency, Vancouver, BC, Canada
| | | | - Sonali M Smith
- Section of Hematology/Oncology, University of Chicago, Chicago, IL
| | - Louis M Staudt
- Lymphoid Malignancies Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD
| | - Catherine Thieblemont
- Service Hémato-Oncologie, AP-HP, Hôpital Saint-Louis, Paris, France
- DMU-DHI, Université de Paris-Paris Diderot, Paris, France
| | - Thomas Tousseyn
- Department of Pathology, Universitair Ziekenhuis Leuven Hospitals, Leuven, Belgium
| | - Wyndham H Wilson
- Lymphoid Malignancies Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD
| | - Tadashi Yoshino
- Department of Pathology, Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama University, Okayama, Japan
| | - Pier-Luigi Zinzani
- Azienda Ospedaliero-Universitaria di Bologna, Istituto di Ematologia "Seragnoli", Dipartimento di Medicina Specialistica, Diagnostica e Sperimentale, Università di Bologna, Bologna, Italy
| | - Martin Dreyling
- Department of Medicine III, Ludwig-Maximilians-University Hospital, Munich, Germany
| | - David W Scott
- Centre for Lymphoid Cancer, British Columbia Cancer Agency, Vancouver, BC, Canada
| | - Jane N Winter
- Feinberg School of Medicine, Northwestern University, Chicago, IL; and
| | - Andrew D Zelenetz
- Lymphoma Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY
- Weill Medical College, Cornell University, New York, NY
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Kemps PG, Zondag TCE, Arnardóttir HB, Solleveld-Westerink N, Borst J, Steenwijk EC, van Egmond D, Swennenhuis JF, Stelloo E, Trambusti I, Verdijk RM, van Noesel CJM, Cleven AHG, Scheijde-Vermeulen MA, Koudijs MJ, Krsková L, Hawkins C, Egeler RM, Brok J, von Bahr Greenwood T, Svojgr K, Beishuizen A, van Laar JAM, Pötschger U, Hutter C, Sieni E, Minkov M, Abla O, van Wezel T, van den Bos C, van Halteren AGS. Clinicogenomic associations in childhood Langerhans cell histiocytosis: an international cohort study. Blood Adv 2023; 7:664-79. [PMID: 36083130 DOI: 10.1182/bloodadvances.2022007947] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 08/23/2022] [Accepted: 08/28/2022] [Indexed: 11/20/2022] Open
Abstract
Langerhans cell histiocytosis (LCH) is a rare neoplastic disorder caused by somatic genetic alterations in hematopoietic precursor cells differentiating into CD1a+/CD207+ histiocytes. LCH clinical manifestation is highly heterogeneous. BRAF and MAP2K1 mutations account for ∼80% of genetic driver alterations in neoplastic LCH cells. However, their clinical associations remain incompletely understood. Here, we present an international clinicogenomic study of childhood LCH, investigating 377 patients genotyped for at least BRAFV600E. MAPK pathway gene alterations were detected in 300 (79.6%) patients, including 191 (50.7%) with BRAFV600E, 54 with MAP2K1 mutations, 39 with BRAF exon 12 mutations, 13 with rare BRAF alterations, and 3 with ARAF or KRAS mutations. Our results confirm that BRAFV600E associates with lower age at diagnosis and higher prevalence of multisystem LCH, high-risk disease, and skin involvement. Furthermore, BRAFV600E appeared to correlate with a higher prevalence of central nervous system (CNS)-risk bone lesions. In contrast, MAP2K1 mutations associated with a higher prevalence of single-system (SS)-bone LCH, and BRAF exon 12 deletions seemed to correlate with more lung involvement. Although BRAFV600E correlated with reduced event-free survival in the overall cohort, neither BRAF nor MAP2K1 mutations associated with event-free survival when patients were stratified by disease extent. Thus, the correlation of BRAFV600E with inferior clinical outcome is (primarily) driven by its association with disease extents known for high rates of progression or relapse, including multisystem LCH. These findings advance our understanding of factors underlying the remarkable clinical heterogeneity of LCH but also question the independent prognostic value of lesional BRAFV600E status.
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Kurita A, Yoshida M, Murata T, Yoshida A, Uchiyama N, Takayama S. A case of ALK-positive histiocytosis with multiple lesions in the unilateral breast: A case report. Int J Surg Case Rep 2022; 97:107435. [PMID: 35908452 PMCID: PMC9403183 DOI: 10.1016/j.ijscr.2022.107435] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Revised: 07/17/2022] [Accepted: 07/17/2022] [Indexed: 02/07/2023] Open
Abstract
INTRODUCTION AND IMPORTANCE Primary ALK-positive histiocytosis of the breast is rare. Here, we report a case of ALK-positive histiocytosis with multiple unilateral breast lesions. CASE PRESENTATION Our patient was a 38-year-old female with primary ALK-positive histiocytosis of the breast with multiple lesions. There were no lesions in other organs, and the patient was considered surgically resectable and underwent a left total mastectomy and sentinel lymph node biopsy. Histopathologically, there were at least three lesions in the left breast in upper inner quadrant (UIQ), upper quadrant (UQ), and upper outer quadrant (UOQ). All lesions showed spindle-shaped tumor cells that were positive for CD163 and ALK and negative for AE1/AE3. Fluorescence in situ hybridization (FISH) showed ALK and KIF5B rearrangements, suggesting the presence of the KIF5B-ALK fusion gene. In conclusion, this case was confirmed to be ALK-positive histiocytosis with multiple lesions in the unilateral breast. The patient underwent surgery and was discharged without complications. CLINICAL DISCUSSION Reports of ALK-positive histiocytosis are very rare, and reports of primary cases in the breast are even rarer. The basic treatment for ALK-positive histiocytosis is surgical resection; however, ALK inhibitors may be effective in unresectable or disseminated cases. Accurate diagnosis at the time of initial treatment is necessary to expand the treatment options. CONCLUSION This is the first case of ALK-positive histiocytosis with multiple lesions in the unilateral breast.
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Affiliation(s)
- Arisa Kurita
- Department of Breast Surgery, National Cancer Center Hospital, Tokyo 104-0045, Japan; Department of Surgery, School of Medicine, Keio University, Tokyo 160-8582, Japan
| | - Masayuki Yoshida
- Department of Diagnostic Pathology, National Cancer Center Hospital, Tokyo 104-0045, Japan.
| | - Takeshi Murata
- Department of Breast Surgery, National Cancer Center Hospital, Tokyo 104-0045, Japan.
| | - Akihiko Yoshida
- Department of Diagnostic Pathology, National Cancer Center Hospital, Tokyo 104-0045, Japan.
| | - Nachiko Uchiyama
- Department of Diagnostic Radiology, National Cancer Center Hospital, Tokyo 104-0045, Japan.
| | - Shin Takayama
- Department of Breast Surgery, National Cancer Center Hospital, Tokyo 104-0045, Japan.
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Khoury JD, Solary E, Abla O, Akkari Y, Alaggio R, Apperley JF, Bejar R, Berti E, Busque L, Chan JKC, Chen W, Chen X, Chng WJ, Choi JK, Colmenero I, Coupland SE, Cross NCP, De Jong D, Elghetany MT, Takahashi E, Emile JF, Ferry J, Fogelstrand L, Fontenay M, Germing U, Gujral S, Haferlach T, Harrison C, Hodge JC, Hu S, Jansen JH, Kanagal-Shamanna R, Kantarjian HM, Kratz CP, Li XQ, Lim MS, Loeb K, Loghavi S, Marcogliese A, Meshinchi S, Michaels P, Naresh KN, Natkunam Y, Nejati R, Ott G, Padron E, Patel KP, Patkar N, Picarsic J, Platzbecker U, Roberts I, Schuh A, Sewell W, Siebert R, Tembhare P, Tyner J, Verstovsek S, Wang W, Wood B, Xiao W, Yeung C, Hochhaus A. The 5th edition of the World Health Organization Classification of Haematolymphoid Tumours: Myeloid and Histiocytic/Dendritic Neoplasms. Leukemia 2022. [PMID: 35732831 DOI: 10.1038/s41375-022-01613-1] [Citation(s) in RCA: 1063] [Impact Index Per Article: 531.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2022] [Accepted: 05/20/2022] [Indexed: 12/19/2022]
Abstract
The upcoming 5th edition of the World Health Organization (WHO) Classification of Haematolymphoid Tumours is part of an effort to hierarchically catalogue human cancers arising in various organ systems within a single relational database. This paper summarizes the new WHO classification scheme for myeloid and histiocytic/dendritic neoplasms and provides an overview of the principles and rationale underpinning changes from the prior edition. The definition and diagnosis of disease types continues to be based on multiple clinicopathologic parameters, but with refinement of diagnostic criteria and emphasis on therapeutically and/or prognostically actionable biomarkers. While a genetic basis for defining diseases is sought where possible, the classification strives to keep practical worldwide applicability in perspective. The result is an enhanced, contemporary, evidence-based classification of myeloid and histiocytic/dendritic neoplasms, rooted in molecular biology and an organizational structure that permits future scalability as new discoveries continue to inexorably inform future editions.
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Salari B, Dehner LP. Juvenile and adult xanthogranuloma: A 30-year single-center experience and review of the disorder and its relationship to other histiocytoses. Ann Diagn Pathol 2022; 58:151940. [DOI: 10.1016/j.anndiagpath.2022.151940] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Accepted: 03/17/2022] [Indexed: 11/01/2022]
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He Q, Zhang W, Li Q. Failure of crizotinib based systemic treatment in ALK positive histiocytosis involving the central nervous system: a case report and literature review. BMC Pediatr 2022; 22. [PMID: 35614430 PMCID: PMC9131667 DOI: 10.1186/s12887-022-03368-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Accepted: 05/17/2022] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND Among the histiocytic disorders, anaplastic lymphoma kinase (ALK)-positive histiocytosis emerged in 2008. As more and more cases of the novel entity are reported, our understanding of it is deepened. However, only a few cases with central nervous system (CNS) involvement have been reported. Furthermore, the lesion in the suprasellar region has not been documented. CASE PRESENTATION: We presented a case of ALK-positive histiocytosis involving the suprasellar region of a one-year-and-four-month-old boy. Through clinical, neuropathological, and genomic analyses, the patient was diagnosed with ALK-positive histiocytosis. After lesions were resected he started treatment with a combination of the three compounds vincristine, prednisolone, and crizotinib, but they did not work. Cytarabine was then added as an additional chemotherapy drug for him, and the lesions in the brain and lungs were shrunk by combining treatment of crizotinib, dexamethasone, vincristine, and cytarabine according to the RECIST (esponse Evaluation Criteria In Solid Tumours). CONCLUSIONS Additional adjuvant chemotherapy drugs are needed when ALK-inhibitor treatment is ineffective.
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Wu B, Konnick EQ, Kimble EL, Hendrie PC, Shinohara MM, Moshiri AS. A Novel GAB2::BRAF Fusion in Cutaneous Non-Langerhans Cell Histiocytosis with Systemic Involvement. J Cutan Pathol 2022; 49:727-730. [PMID: 35332933 DOI: 10.1111/cup.14231] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2022] [Revised: 03/14/2022] [Accepted: 03/20/2022] [Indexed: 11/26/2022]
Abstract
Several mutations and gene fusions involved in the mitogen-activated protein kinase (MAPK) pathway have been reported in histiocytic neoplasms including Langerhans cell histiocytosis (LCH) and non-Langerhans cell histiocytosis (NLCH). We identified a GAB2::BRAF fusion in a cutaneous lesion from a 22-year-old woman who presented with central diabetes insipidus and red/brown papules on her face, oral mucosa, axilla, and groin. Skin biopsies showed a CD68+, S100-, and CD1a- histiocytic proliferation consistent with NLCH, best clinically classified as xanthoma disseminatum. Next-generation sequencing identified a GAB2::BRAF fusion involving exon 2 of GAB and exon 10 of BRAF. This case implicates a novel fusion in the MAPK signaling pathway, not previously reported in histiocytic neoplasms, as a possible driver of NLCH. Our findings underscore the utility of performing molecular studies on skin biopsies with NLCH to help identify potential targets for therapy. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Bicong Wu
- Department of Laboratory Medicine and Pathology, University of Washington, Seattle, WA, USA
| | - Eric Q Konnick
- Department of Laboratory Medicine and Pathology, University of Washington, Seattle, WA, USA
| | - Erik L Kimble
- Division of Hematology, Department of Medicine, University of Washington, Seattle, WA, USA
| | - Paul C Hendrie
- Division of Hematology, Department of Medicine, University of Washington, Seattle, WA, USA.,Seattle Cancer Care Alliance, Seattle, WA, USA
| | - Michi M Shinohara
- Department of Laboratory Medicine and Pathology, University of Washington, Seattle, WA, USA.,Division of Dermatology, University of Washington, Seattle, WA, USA
| | - Ata S Moshiri
- Department of Laboratory Medicine and Pathology, University of Washington, Seattle, WA, USA.,Division of Dermatology, University of Washington, Seattle, WA, USA
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Rakheja D, Park JY, Fernandes NJ, Watt TC, Laetsch TW, Collins RRJ. Pediatric Non-Myofibroblastic Primitive Spindle Cell Tumors with ALK Gene Rearrangements and Response to Crizotinib. Int J Surg Pathol 2022; 30:706-715. [PMID: 35164578 DOI: 10.1177/10668969221080072] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
We describe two poorly differentiated, non-myofibroblastic (SMA-, S100+, CD34±), spindle cell neoplasms with immunohistochemical positivity for ALK and with ALK gene rearrangements leading to PLEKHH2::ALK and CLTC::ALK fusions, respectively. ALK protein overexpression and/or gene fusions should be evaluated in poorly differentiated spindle cell neoplasms, even when there is an absence of a myofibroblastic phenotype. A positive ALK evaluation has therapeutic implications as both tumors responded to single-agent treatment with the tyrosine kinase inhibitor crizotinib.
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Affiliation(s)
- Dinesh Rakheja
- Department of Pathology, 12334University of Texas Southwestern Medical Center, Dallas, TX, USA.,Children's Health, Dallas, TX, USA
| | - Jason Y Park
- Department of Pathology, 12334University of Texas Southwestern Medical Center, Dallas, TX, USA.,Children's Health, Dallas, TX, USA
| | - Neil J Fernandes
- Children's Health, Dallas, TX, USA.,Department of Radiology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Tanya C Watt
- Children's Health, Dallas, TX, USA.,Division of Pediatric Hematology/Oncology, Department of Pediatrics, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Theodore W Laetsch
- Division of Oncology, 6567Children's Hospital of Philadelphia and Perelman School of Medicine and Abramson Cancer Center, University of Pennsylvania, Philadelphia, PA, USA
| | - Rebecca R J Collins
- Department of Pathology, 12334University of Texas Southwestern Medical Center, Dallas, TX, USA.,Children's Health, Dallas, TX, USA
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