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Eddin AS, McNeely P, Saad Eldine M, Lai L, Shariftabrizi A. Dural involvement in central nervous system langerhans cells histiocytosis (LCH) on FDG PET/CT: Case report and review of CNS manifestations of LCH on PET/CT. Radiol Case Rep 2024; 19:1391-1396. [PMID: 38268737 PMCID: PMC10803779 DOI: 10.1016/j.radcr.2023.12.044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2023] [Revised: 12/21/2023] [Accepted: 12/23/2023] [Indexed: 01/26/2024] Open
Abstract
We report a case of multisystem Langerhans cell histiocytosis in a pediatric patient with central nervous system involvement, highlighting F-18(FDG) uptake characteristics of dural sites of disease. We also highlight the advantages of functional data offered by FDG-PET as a useful follow-up tool to assess viability and, therefore, treatment response of previously known central nervous system lesions. The utility of recognizing characteristic patterns of FDG uptake in dural disease is also applicable in cases of diagnostic uncertainty, such as when evaluating isolated dural lesions or when distinguishing between Langerhans cell histiocytosis and similar appearing lesions such as meningiomas.
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Affiliation(s)
- Assim Saad Eddin
- University of Iowa Hospitals and Clinics; Department of Radiology; Iowa city, IA 52242, USA
| | - Parren McNeely
- University of Iowa Hospitals and Clinics; Department of Radiology; Iowa city, IA 52242, USA
| | - Mothana Saad Eldine
- University of Iowa Hospitals and Clinics; Department of Radiology; Iowa city, IA 52242, USA
| | - Lillian Lai
- University of Iowa Hospitals and Clinics; Department of Radiology; Iowa city, IA 52242, USA
| | - Ahmad Shariftabrizi
- University of Iowa Hospitals and Clinics; Department of Radiology; Iowa city, IA 52242, USA
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Yang PP, Hu SY, Chai XY, Shi XM, Liu LX, Li LE. Adult localized Langerhans cell histiocytosis: A case report. World J Clin Cases 2023; 11:8164-8169. [PMID: 38130781 PMCID: PMC10731173 DOI: 10.12998/wjcc.v11.i34.8164] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Revised: 10/30/2023] [Accepted: 11/27/2023] [Indexed: 12/06/2023] Open
Abstract
BACKGROUND Langerhans cell histiocytosis (LCH) is a rare clonal proliferative disease of Langerhans cells with unknown pathogenesis. An increasing number of clinicians recognize that LCH has a wide clinical spectrum and a highly varied course. Adults rarely develop LCH. Here, we report a case of adult localized LCH. CASE SUMMARY A 32-year-old woman presented with plaques and ulcers on the vulva and crissum, accompanied by pain that persisted for more than one year. Physical examination revealed a red-infiltrating plaque with ulcerations and exudates in the vulva and crissum. Pathological examination revealed a diffuse infiltration of lymphocytes, eosinophilic granulocytes, and histiocytoid cells in the superficial dermis. Proliferative histiocytoid cells showed mild atypia, partly with kidney-shaped nuclei. Immunohistochemical examination showed that the histiocytoid cells were positive for S100 protein and CD1 and weakly positive for CD68 (20% +), with a Ki-67 index of 30%. Laboratory tests did not reveal any other systemic damage. The patient was diagnosed with adult localized LCH and was prescribed oral prednisone (20 mg) once daily. The skin lesions gradually improved and are still being followed-up. CONCLUSION Adult localized LCH is rare and must be differentiated from other common conditions.
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Affiliation(s)
- Pan-Pan Yang
- Department of Dermatology, Shijiazhuang TCM Hospital, Shijiazhuang 050051, Hebei Province, China
| | - Su-Ye Hu
- Department of Dermatology, Shijiazhuang TCM Hospital, Shijiazhuang 050051, Hebei Province, China
| | - Xu-Ya Chai
- Department of Dermatology, Shijiazhuang TCM Hospital, Shijiazhuang 050051, Hebei Province, China
| | - Xiao-Meng Shi
- Department of Dermatology, Shijiazhuang TCM Hospital, Shijiazhuang 050051, Hebei Province, China
| | - Li-Xia Liu
- Department of Pathology, Shijiazhuang TCM Hospital, Shijiazhuang 050051, Hebei Province, China
| | - Ling-E Li
- Department of Dermatology, Shijiazhuang TCM Hospital, Shijiazhuang 050051, Hebei Province, China
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Barnbrock AE, Hutter C, Bochennek K, Minkov M, Lehrnbecher T. [Therapeutic Strategies In Children And Adolescents With Langerhans Cell Histiocytosis]. KLINISCHE PADIATRIE 2023; 235:342-349. [PMID: 37673093 DOI: 10.1055/a-2146-1395] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/08/2023]
Abstract
The current standard therapy for children and adolescents with newly diagnosed Langerhans cell histiocytosis (LCH) is based on the two drugs prednisone and vinblastine. In patients with insufficient treatment response or disease relapse, the choice of second-line treatment depends on risk organ involvement (liver, spleen, and hematopoietic system). This article will give an overview of current data concerning therapeutic options in the different settings of children and adolescents with LCH. Due to limited evidence, these strategies have not been described in detail in the updated guidelines on pediatric LCH. In addition, the use of targeted therapy such as MAP-kinase inhibitors will be discussed. The reference center for LCH should be contacted if therapeutic options beyond the standard regimen are considered for treatment. All children and adolescents with LCH should be enrolled in registries or prospective studies.
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Affiliation(s)
- Anke Elisabeth Barnbrock
- Pädiatrische Hämatologie, Onkologie und Hämostaeologie, Klinik für Kinder- und Jugendmedizin, Goethe-Universität, Frankfurt, Germany
| | - Caroline Hutter
- Children's Cancer Research Institute, St Anna Kinderkrebsforschung, Medizinische Universität Wien, Wien, Austria
| | - Konrad Bochennek
- Pädiatrische Hämatologie, Onkologie und Hämostaeologie, Klinik für Kinder- und Jugendmedizin, Goethe-Universität, Frankfurt, Germany
| | - Milen Minkov
- Children's Cancer Research Institute, St Anna Kinderkrebsforschung, Medizinische Universität Wien, Wien, Austria
| | - Thomas Lehrnbecher
- Pädiatrische Hämatologie, Onkologie und Hämostaeologie, Klinik für Kinder- und Jugendmedizin, Goethe-Universität, Frankfurt, Germany
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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] [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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Kohle F, Dalakas MC, Lehmann HC. Repurposing MS immunotherapies for CIDP and other autoimmune neuropathies: unfulfilled promise or efficient strategy? Ther Adv Neurol Disord 2023; 16:17562864221137129. [PMID: 36620728 PMCID: PMC9810996 DOI: 10.1177/17562864221137129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2022] [Accepted: 10/19/2022] [Indexed: 01/03/2023] Open
Abstract
Despite advances in the treatment of chronic inflammatory demyelinating polyradiculoneuropathy (CIDP) and other common autoimmune neuropathies (AN), still-many patients with these diseases do not respond satisfactorily to the available treatments. Repurposing of disease-modifying therapies (DMTs) from other autoimmune conditions, particularly multiple sclerosis (MS) and neuromyelitis optica spectrum disorders (NMOSD), is a promising strategy that may accelerate the establishment of novel treatment choices for AN. This approach appears attractive due to homologies in the pathogenesis of these diseases and the extensive post-marketing experience that has been gathered from treating MS and NMOSD patients. The idea is also strengthened by a number of studies that explored the efficacy of DMTs in animal models of AN but also in some CIDP patients. We here review the available preclinical and clinical data of approved MS therapeutics in terms of their applicability to AN, especially CIDP. Promising therapeutic approaches appear to be B cell-directed and complement-targeting strategies, such as anti-CD20/anti-CD19 agents, Bruton's tyrosine kinase inhibitors and anti-C5 agents, as they exert their effects in the periphery. This is a major advantage because, in contrast to MS, their action in the periphery is sufficient to exert significant immunomodulation.
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Affiliation(s)
- Felix Kohle
- Department of Neurology, Faculty of Medicine,
University of Cologne and University Hospital Cologne, Cologne,
Germany
| | - Marinos C. Dalakas
- Department of Neurology, Thomas Jefferson
University, Philadelphia, PA, USA,Neuroimmunology Unit, National and Kapodistrian
University of Athens Medical School, Athens, Greece
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Luo ZH, Lu PX, Qi WL, Liao FX, Jin AF, Zen QY. Role of 18F-FDG PET/CT in the diagnosis and management of patients with Langerhans cell histiocytosis. Quant Imaging Med Surg 2022; 12:3351-3363. [PMID: 35655814 PMCID: PMC9131337 DOI: 10.21037/qims-21-823] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Accepted: 01/04/2022] [Indexed: 03/19/2024]
Abstract
BACKGROUND Langerhans cell histiocytosis (LCH) is an inflammatory myeloid neoplasm that can involve multisystem organs. Positron emission tomography/computed tomography (PET/CT) has been widely used in tumor staging and efficacy evaluation. However, at present, there are few 18F-fluorodeoxyglucose (FDG) PET/CT studies on LCH. This study aimed to explore the possible role of 18F-FDG PET/CT in the diagnosis and management of patients with LCH. METHODS 18F-FDG PET/CT images of 22 Chinese patients diagnosed with LCH on biopsy or surgery histopathology between January 2011 and December 2020 were retrospectively analyzed. The incidence of LCH in each system was assessed by a PET/CT scan. The imaging characteristics were analyzed semiquantitatively and qualitatively. The discrepancies between PET/CT and conventional imaging modalities were recorded. Evaluations of curative effect according to RECIST1.1 and PERCIST1.0 were compared using Fisher's exact chi-squared test, and P values <0.05 were considered significant. RESULTS Eight (36.4%) of the 22 patients presented with single system involvement (4 isolated site involvement, 4 multiple site involvement), and 14 (63.6%) presented with multiple system involvement. Twenty-one (95.5%) patients had hypermetabolic lesions. Musculoskeletal, lymphatic, respiratory, liver, skin-soft tissue and thyroid involvement were seen in 14 (63.6%), 13 (59.1%), 5 (22.7%), 4 (18.2%), 5 (22.7%) and 1 (4.5%) patient, respectively. Cranial and facial bones were the most common sites of musculoskeletal involvement. Ten patients underwent PET/CT follow-up, and there was no significant difference in curative effect evaluations according to RECIST1.1 and PERCIST1.0. However, among the complete remission cases assessed by RECIST1.1, three were partial metabolic responses assessed by PERCIST1.0, while among the partial response cases assessed by RECIST1.1, one was metabolic progressive disease assessed by PERCIST1.0. CONCLUSIONS 18F-FDG PET/CT is an imaging modality option for the diagnosis and assessment of the curative effect of LCH.
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Affiliation(s)
- Zhe-Huang Luo
- PET/CT Center, Jiangxi Provincial People’s Hospital, Nanchang, China
| | - Pu-Xuan Lu
- Shenzhen Center for Chronic Disease Control, Shenzhen, China
| | - Wan-Lin Qi
- PET/CT Center, Jiangxi Provincial People’s Hospital, Nanchang, China
| | - Feng-Xiang Liao
- PET/CT Center, Jiangxi Provincial People’s Hospital, Nanchang, China
| | - Ai-Fang Jin
- PET/CT Center, Jiangxi Provincial People’s Hospital, Nanchang, China
| | - Qing-Yun Zen
- PET/CT Center, Jiangxi Provincial People’s Hospital, Nanchang, China
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Refractory Extracutaneous Juvenile Xanthogranuloma With Multiple Intracranial Nodular Lesions Successfully Treated With 2-Chlorodeoxyadenosine. J Pediatr Hematol Oncol 2022; 44:e823-e825. [PMID: 34486561 DOI: 10.1097/mph.0000000000002310] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Accepted: 07/30/2021] [Indexed: 11/26/2022]
Abstract
Juvenile xanthogranulomatosis (JXG) is a rare histiocytic disease that is usually limited to the skin, but some JXG cases involve other organs. JXG involving the central nervous system (CNS) is rare and its treatment is inadequate. The optimum treatment for refractory JXG involving the CNS remains unknown. We report here a case of refractory pediatric extracutaneous JXG (extra-JXG) involving the CNS with multiple intracranial masses treated with 2-chlorodeoxyadenosine resulting in achievement of long-term complete remission. 2-Chlorodeoxyadenosine, with favorable CNS penetration in the cerebrospinal fluid, is apparently an effective treatment for extra-JXG and systemic JXG (sJXG) with CNS involvement.
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Nasany RA, Reiner AS, Francis JH, Abla O, Panageas KS, Diamond EL. Rosai-Dorfman-Destombes disease of the nervous system: a systematic literature review. Orphanet J Rare Dis 2022; 17:92. [PMID: 35236371 PMCID: PMC8889645 DOI: 10.1186/s13023-022-02220-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Accepted: 02/06/2022] [Indexed: 12/28/2022] Open
Abstract
Background Rosai–Dorfman–Destombes disease (RDD) is a rare histiocytic disorder with heterogeneous clinical manifestations and rare neurologic involvement. The existing clinical literature about neurologic RDD has yet to be critically examined.
Methods We performed a four-database English-language systematic literature search for cases of RDD neurohistiocytosis, excluding secondary literature. Individual patient data for neurologic symptoms, disease sites, treatments, and responses were captured. Responses to first-line and second-line surgical interventions, post-surgical radiotherapy, and systemic therapies were analyzed. Results Among 4769 articles yielded by literature search, 154 articles were fully reviewed, containing data on 224 patients with neurologic RDD. 128 (83.1%) articles were single case reports. 149 (66.5%) patients were male, 74 (33.5%) female, with a median age of 37.6 years (range 2–79). Presenting neurologic symptoms included headache (45.1%), focal neurological deficits (32.6%), visual symptoms (32.1%), and seizures (24.6%). RDD involvement was multifocal in 32 (14.3%) cases. First-line treatment involved resection in 200 (89.6%) patients, with subsequent progression in 52 (26%), including 41 (78.8%) with unifocal disease. No difference was observed in progression-free survival comparing post-operative radiotherapy to no radiotherapy following partial resection. Chemotherapy given alone as first-line treatment led to complete or partial response in 3/7(43%) patients. Second-line treatments led to complete or partial response in 18/37(37.5%) patients. Mutational data were reported on 10 patients (4.46%). Conclusions This review highlights the limited published data about neurologic RDD, which presents with varied symptomatology and outcome. Further study is needed about its mutational landscape, and more effective therapies are needed for recurrent and refractory disease. Supplementary Information The online version contains supplementary material available at 10.1186/s13023-022-02220-0.
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Affiliation(s)
- Ruham Alshiekh Nasany
- Department of Neurology, Memorial Sloan Kettering Cancer Center, 160 East 53rd Street, 2nd Floor, New York, NY, 10022, USA
| | - Anne S Reiner
- Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Jasmine H Francis
- Ophthalmic Oncology Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Oussama Abla
- Division of Hematology/Oncology, The Hospital for Sick Children, Toronto, ON, Canada
| | - Katherine S Panageas
- Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Eli L Diamond
- Department of Neurology, Memorial Sloan Kettering Cancer Center, 160 East 53rd Street, 2nd Floor, New York, NY, 10022, USA.
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McClain KL, Bigenwald C, Collin M, Haroche J, Marsh RA, Merad M, Picarsic J, Ribeiro KB, Allen CE. Histiocytic disorders. Nat Rev Dis Primers 2021; 7:73. [PMID: 34620874 PMCID: PMC10031765 DOI: 10.1038/s41572-021-00307-9] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 09/07/2021] [Indexed: 12/18/2022]
Abstract
The historic term 'histiocytosis' meaning 'tissue cell' is used as a unifying concept for diseases characterized by pathogenic myeloid cells that share histological features with macrophages or dendritic cells. These cells may arise from the embryonic yolk sac, fetal liver or postnatal bone marrow. Prior classification schemes align disease designation with terminal phenotype: for example, Langerhans cell histiocytosis (LCH) shares CD207+ antigen with physiological epidermal Langerhans cells. LCH, Erdheim-Chester disease (ECD), juvenile xanthogranuloma (JXG) and Rosai-Dorfman disease (RDD) are all characterized by pathological ERK activation driven by activating somatic mutations in MAPK pathway genes. The title of this Primer (Histiocytic disorders) was chosen to differentiate the above diseases from Langerhans cell sarcoma and malignant histiocytosis, which are hyperproliferative lesions typical of cancer. By comparison LCH, ECD, RDD and JXG share some features of malignant cells including activating MAPK pathway mutations, but are not hyperproliferative. 'Inflammatory myeloproliferative neoplasm' may be a more precise nomenclature. By contrast, haemophagocytic lymphohistiocytosis is associated with macrophage activation and extreme inflammation, and represents a syndrome of immune dysregulation. These diseases affect children and adults in varying proportions depending on which of the entities is involved.
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Affiliation(s)
- Kenneth L McClain
- Texas Children's Cancer Center, Department of Paediatrics, Baylor College of Medicine, Houston, TX, USA.
| | - Camille Bigenwald
- Department of Oncological Sciences and Translational and Molecular Imaging Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Matthew Collin
- Human Dendritic Cell Lab, Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, UK
| | - Julien Haroche
- Department of Internal Medicine, Institut E3M French Reference Centre for Histiocytosis, Pitié-Salpȇtrière Hospital, Assistance Publique-Hôpitaux de Paris, Sorbonne Université, Paris, France
| | - Rebecca A Marsh
- Division of Bone Marrow Transplantation and Immune Deficiency, Cincinnati Children's Hospital Medical Center, and University of Cincinnati, Cincinnati, OH, USA
| | - Miriam Merad
- Department of Oncological Sciences and Translational and Molecular Imaging Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Jennifer Picarsic
- Division of Pathology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Karina B Ribeiro
- Faculdade de Ciȇncias Médicas da Santa Casa de São Paulo, Department of Collective Health, São Paulo, Brazil
| | - Carl E Allen
- Texas Children's Cancer Center, Department of Paediatrics, Baylor College of Medicine, Houston, TX, USA
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Mitogen-activating protein kinase pathway alterations in Langerhans cell histiocytosis. Curr Opin Oncol 2021; 33:101-109. [PMID: 33315630 DOI: 10.1097/cco.0000000000000707] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
PURPOSE OF REVIEW Langerhans cell histiocytosis (LCH) is a rare disorder characterized by the infiltration of involved tissues by specialized dendritic cells. The demonstration of the constant activation of the mitogen-activated protein kinase (MAPK) pathway in LCH lesions has been a breakthrough in the understanding of the pathogenesis of this rare disease. We will summarize the current knowledge on MAPK alterations in LCH and the new therapeutic options indicated by these findings. RECENT FINDINGS Since the description of the B-Raf proto-oncogene, serine/threonine kinase (BRAF)V600E mutation in LCH lesions, several other molecular alterations affecting the MAPK pathway have been identified in most cases. Based on these driver alterations, LCH cells were shown to be derived from hematopoietic precursors, which yielded the current concept of LCH as a myeloid inflammatory neoplasia. MAPK pathway inhibitors have emerged as an innovative therapy in severe forms of LCH, resulting in virtually no acquired resistance. However, although they are highly effective, their effect is only temporary, as the disease relapses upon discontinuation of the treatment. SUMMARY LCH is an inflammatory myeloid neoplastic disorder, driven by mutations activating the MAPK pathway. MAPK-targeted treatments represent an important stepforward in the management of patients with severe progressive LCH.
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Poch R, Le Louet S, Hélias-Rodzewicz Z, Hachem N, Plat G, Barkaoui MA, Lapillonne H, Delhommeau F, Emile JF, Donadieu J, Héritier S. A circulating subset of BRAF V600E -positive cells in infants with high-risk Langerhans cell histiocytosis treated with BRAF inhibitors. Br J Haematol 2021; 194:745-749. [PMID: 34312844 DOI: 10.1111/bjh.17721] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Revised: 07/02/2021] [Accepted: 07/08/2021] [Indexed: 12/20/2022]
Abstract
BRAF inhibitors are an effective treatment for BRAFV600E -mutated, risk-organ-positive Langerhans cell histiocytosis (RO+ LCH). However, cell-free BRAFV600E DNA often persists during therapy and recurrence frequently occurs after therapy discontinuation. To identify a pathological reservoir of BRAFV600E -mutated cells, we studied peripheral blood cells obtained from six infants with RO+ multisystem (MS) LCH that received targeted therapy. After cell sorting, the BRAFV600E mutation was detected in monocytes (n = 5), B lymphocytes (n = 3), T lymphocytes (n = 2), and myeloid and plasmacytoid dendritic cells (n = 2 each). This biomarker may offer an interesting tool for monitoring the effectiveness of new therapeutic approaches for weaning children with RO+ LCH from targeted therapy.
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Affiliation(s)
- Rita Poch
- INSERM, Centre de Recherche Saint-Antoine, CRSA, Sorbonne Université, Paris, France
| | - Solenne Le Louet
- INSERM, Centre de Recherche Saint-Antoine, CRSA, Sorbonne Université, Paris, France
| | - Zofia Hélias-Rodzewicz
- EA4340-BECCOH, Versailles SQY University, Boulogne, France.,Pathology Department, Ambroise Paré Hospital, AP-AP, Boulogne, France
| | - Nawa Hachem
- INSERM, Centre de Recherche Saint-Antoine, CRSA, Sorbonne Université, Paris, France
| | - Geneviève Plat
- Department of Pediatric Hematology and Oncology, Centre Hospitalo-Universitaire de Toulouse, Toulouse, France
| | - Mohamed-Aziz Barkaoui
- Department of Pediatric Hematology and Oncology Trousseau Hospital, French Reference Center for Langerhans Cell Histiocytosis, AP-AP, Paris, France
| | - Hélène Lapillonne
- INSERM, Centre de Recherche Saint-Antoine, CRSA, Sorbonne Université, Paris, France
| | - François Delhommeau
- INSERM, Centre de Recherche Saint-Antoine, CRSA, Sorbonne Université, Paris, France
| | - Jean-François Emile
- EA4340-BECCOH, Versailles SQY University, Boulogne, France.,Pathology Department, Ambroise Paré Hospital, AP-AP, Boulogne, France
| | - Jean Donadieu
- INSERM, Centre de Recherche Saint-Antoine, CRSA, Sorbonne Université, Paris, France.,EA4340-BECCOH, Versailles SQY University, Boulogne, France.,Department of Pediatric Hematology and Oncology Trousseau Hospital, French Reference Center for Langerhans Cell Histiocytosis, AP-AP, Paris, France
| | - Sébastien Héritier
- INSERM, Centre de Recherche Saint-Antoine, CRSA, Sorbonne Université, Paris, France.,Department of Pediatric Hematology and Oncology Trousseau Hospital, French Reference Center for Langerhans Cell Histiocytosis, AP-AP, Paris, France
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Emile JF, Cohen-Aubart F, Collin M, Fraitag S, Idbaih A, Abdel-Wahab O, Rollins BJ, Donadieu J, Haroche J. Histiocytosis. Lancet 2021; 398:157-170. [PMID: 33901419 PMCID: PMC9364113 DOI: 10.1016/s0140-6736(21)00311-1] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Revised: 01/25/2021] [Accepted: 02/01/2021] [Indexed: 02/06/2023]
Abstract
Histiocytoses constitute a heterogeneous group of rare disorders, characterised by infiltration of almost any organ by myeloid cells with diverse macrophage or dendritic cell phenotypes. Histiocytoses can start at any age. Diagnosis is based on histology in combination with appropriate clinical and radiological findings. The low incidence and broad spectrum of clinical manifestations often leads to diagnostic delay, especially for adults. In most cases, biopsy specimens infiltrated by histiocytes have somatic mutations in genes activating the MAP kinase cell-signalling pathway. These mutations might also be present in blood cells and haematopoietic progenitors of patients with multisystem disease. A comprehensive range of investigations and molecular typing are essential to accurately predict prognosis, which can vary from spontaneous resolution to life-threatening disseminated disease. Targeted therapies with BRAF or MEK inhibitors have revolutionised salvage treatment. However, the type and duration of treatment are still debated, and the prevention of neurological sequelae remains a crucial issue.
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Affiliation(s)
- Jean-François Emile
- EA4340 BECCOH, Université de Versailles SQY, Service de Pathologie, Hôpital Ambroise Paré, AP-HP, Boulogne, France.
| | - Fleur Cohen-Aubart
- Internal Medicine Department 2, French National Referral Center for Rare Systemic Diseases and Histiocytoses, Pitié-Salpêtrière Hospital, AP-HP and Sorbonne Université, Paris, France
| | - Matthew Collin
- Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK
| | - Sylvie Fraitag
- Pathology Department, Necker-Enfants Malades Hospital, AP-HP, Paris, France
| | - Ahmed Idbaih
- UMR S 1127, CNRS/Inserm, Institut du Cerveau et de la Moelle Épinière, Hôpitaux Universitaires La Pitié Salpêtrière-Charles Foix, AP-HP and Sorbonne Université, Paris, France
| | - Omar Abdel-Wahab
- Human Oncology and Pathogenesis Program, Department of Medicine, Memorial Sloan-Kettering Cancer Center, New York, NY, USA
| | - Barrett J Rollins
- Department of Medical Oncology, Dana-Farber Cancer Institute and Department of Medicine, Brigham & Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Jean Donadieu
- EA4340 BECCOH, Université de Versailles SQY, Service de Pathologie, Hôpital Ambroise Paré, AP-HP, Boulogne, France; Service d'Hématologie Oncologie Pédiatrique, Centre de Référence des Histiocytoses, Hôpital Armand-Trousseau, AP-HP, Paris, France
| | - Julien Haroche
- Internal Medicine Department 2, French National Referral Center for Rare Systemic Diseases and Histiocytoses, Pitié-Salpêtrière Hospital, AP-HP and Sorbonne Université, Paris, France
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