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Dashti NK, Perret R, Balzer B, Naous R, Michal M, Dermawan JK, Antonescu CR. Vascular Neoplasms With NFATC1/C2 Gene Alterations : Expanding the Clinicopathologic and Molecular Characteristics of a Distinct Entity. Am J Surg Pathol 2024; 48:487-496. [PMID: 38189436 DOI: 10.1097/pas.0000000000002175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2024]
Abstract
Despite significant advances in their molecular pathogenesis, skeletal vascular tumors remain diagnostically challenging due to their aggressive radiologic appearance and significant morphologic overlap. Within the epithelioid category and at the benign end of the spectrum, recurrent FOS/FOSB fusions have defined most epithelioid hemangiomas, distinguishing them from epithelioid hemangioendothelioma and angiosarcoma. More recently, the presence of EWSR1/FUS :: NFATC1/2 fusions emerged as the genetic hallmark of a novel group of unusual vascular proliferations, often displaying epithelioid morphology, with alternating vasoformative and solid growth, variable atypia, reminiscent of composite hemangioendothelioma. In this study, we further our understanding and morphologic spectrum of NFATC -fusion positive vascular neoplasms by describing 9 new cases, including soft tissue locations and novel fusion partners. Combining with the initial cohort of 5 cases, a total of 14 patients were analyzed, showing slight female predilection and an age range of 10 to 66 (mean 42 y). Twelve patients had solitary lesions, while 2 had multifocal polyostotic (pelvic bones) disease. Overall, 12 lesions were intra-osseous and 2 in soft tissue. By targeted RNA Fusion panels or FISH, there were 6 cases of EWSR1::NFATC1 , 4 EWSR1::NFATC2 , 2 FUS::NFATC2 , 1 EWSR1 rearrangement, and 1 with a novel FABP4::NFATC2 fusion. Follow-up was available in 4 patients. One patient experienced 2 local recurrences, 11 and 15 years postdiagnosis, and one patient experienced progressive disease despite multimodality treatment (curettings, embolization, radiation) over 3 years. In summary, our extended investigation confirms that NFATC -related fusions define a distinct group of vascular neoplasms with variable architecture, epithelioid phenotype, and cytologic atypia, commonly located in the bone, occasionally multifocal and with potential for local recurrence and aggressive behavior but no metastatic potential. Molecular analysis is recommended in diagnostically challenging cases with atypical histology to exclude malignancy.
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Affiliation(s)
- Nooshin K Dashti
- Department of Pathology and Laboratory Medicine Dartmouth Health
- Geisel School of Medicine at Dartmouth, Lebanon, NH
| | - Raul Perret
- Department of Biopathology, Institut Bergonié, Comprehensive Cancer Center
- Bordeaux Institute of Oncology, BRIC, INSERM, Bordeaux University, Bergonié Institute, Bordeaux, France
| | | | - Rana Naous
- University of Pittsburgh Medical Center, Shadyside, Pittsburgh, PA
| | - Michael Michal
- Biopticka Laboratory, Pilsen, Czech Republic
- Department of Pathology, Charles University, Faculty of Medicine in Plzen, Czech Republic
| | - Josephine K Dermawan
- Robert J. Tomsich Pathology and Laboratory Medicine Institute, Cleveland Clinic, Cleveland, OH
| | - Cristina R Antonescu
- Department of Pathology and Lab Medicine, Memorial Sloan-Kettering Cancer Center, New York, NY
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2
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Izquierdo FM, Casas P, de Álava E, Romagosa MC, Silva T, Ramos LR. Epithelioid haemangioma after bone surgery: an event not previously described. Pathology 2024:S0031-3025(24)00092-8. [PMID: 38609781 DOI: 10.1016/j.pathol.2024.01.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Revised: 01/03/2024] [Accepted: 01/16/2024] [Indexed: 04/14/2024]
Affiliation(s)
| | - Paula Casas
- Department of Traumatology and Orthopedic Surgery, Complejo Asistencial Universitario de León, León, Spain
| | - Enrique de Álava
- Department of Pathology, University Hospital Virgen del Rocío, University of Seville, Seville, Spain; Biomedical Institute of Seville (IBIS)-CIBERONIC, Seville, Spain; Department of Normal and Pathological Cytology and Histology, School of Medicine, University of Seville, Seville, Spain
| | | | - Tulio Silva
- Department of Pathology, University Hospital Vall d'Hebron, Barcelona, Spain
| | - Luis Rafael Ramos
- Department of Traumatology and Orthopedic Surgery, University Hospital Doce de Octubre, Madrid, Spain
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3
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Tortorelli I, Bellan E, Chiusole B, Murtas F, Ruggieri P, Pala E, Cerchiaro M, Buzzaccarini MS, Scarzello G, Krengli M, Bisinella G, Battisti S, Di Maggio A, Zagonel V, Tos APD, Sbaraglia M, Brunello A. Primary vascular tumors of bone: A comprehensive literature review on classification, diagnosis and treatment. Crit Rev Oncol Hematol 2024; 195:104268. [PMID: 38237880 DOI: 10.1016/j.critrevonc.2024.104268] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 12/23/2023] [Accepted: 01/11/2024] [Indexed: 02/02/2024] Open
Abstract
Primary vascular tumors of bone are a heterogeneous group of neoplasms, ranging from benign hemangiomas to frankly malignant epithelioid hemangioendotheliomas and angiosarcomas. Over the years, their classification has been a matter of discussion, due to morphologic similarities and uncertainty regarding biologic behavior. Over the past decade, with the development of next-generation sequencing, there has been a significant improvement in the molecular characterization of these lesions. The integration of their morphologic, immunohistochemical and molecular features has led to a better stratification, with important prognostic and therapeutic implications. Nevertheless, primary vascular bone tumors still represent a challenge for medical oncologists. Given their rarity and heterogeneity, in the last few years, there has been no significant progress in medical treatment options, so further research is needed. Here we present a review of the current knowledge regarding primary vascular tumors of the bone, correlating clinicopathologic features with tumor behavior and therapeutic approaches.
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Affiliation(s)
- Ilaria Tortorelli
- Oncology 1 Unit, Department of Oncology, Istituto Oncologico Veneto IOV - IRCCS, Via Gattamelata 64, 35128 Padua, Italy; Department of Surgery, Oncology and Gastroenterology (DISCOG), University of Padua, Via Nicolò Giustiniani 2, 35128 Padua, Italy
| | - Elena Bellan
- Department of Pathology, Azienda Ospedale Università Padova, Via Gabelli 61, 35121 Padua, Italy
| | - Benedetta Chiusole
- Oncology 1 Unit, Department of Oncology, Istituto Oncologico Veneto IOV - IRCCS, Via Gattamelata 64, 35128 Padua, Italy
| | - Fabio Murtas
- Oncology 1 Unit, Department of Oncology, Istituto Oncologico Veneto IOV - IRCCS, Via Gattamelata 64, 35128 Padua, Italy; Department of Surgery, Oncology and Gastroenterology (DISCOG), University of Padua, Via Nicolò Giustiniani 2, 35128 Padua, Italy
| | - Pietro Ruggieri
- Department of Orthopedics and Orthopedic Oncology, University of Padua, Via Nicolò Giustiniani 1, 35128 Padua, Italy
| | - Elisa Pala
- Department of Orthopedics and Orthopedic Oncology, University of Padua, Via Nicolò Giustiniani 1, 35128 Padua, Italy
| | - Mariachiara Cerchiaro
- Department of Orthopedics and Orthopedic Oncology, University of Padua, Via Nicolò Giustiniani 1, 35128 Padua, Italy
| | | | - Giovanni Scarzello
- Radiotherapy Unit, Istituto Oncologico Veneto IOV - IRCCS, Via Nicolò Giustiniani 2, 35128 Padua, Italy
| | - Marco Krengli
- Radiotherapy Unit, Istituto Oncologico Veneto IOV - IRCCS, Via Nicolò Giustiniani 2, 35128 Padua, Italy
| | - Gianluca Bisinella
- Division of Orthopedics and Trauma, AULSS 6 Euganea, Ospedali Riuniti Padova Sud, Via Albere 30, Monselice, Padua, Italy
| | - Sara Battisti
- Division of Orthopedics and Trauma, AULSS 6 Euganea, Ospedali Riuniti Padova Sud, Via Albere 30, Monselice, Padua, Italy
| | - Antonio Di Maggio
- Oncologic Radiology Unit, Department of Radiology and Medical Physics, Istituto Oncologico Veneto IOV - IRCCS, Via Gattamelata 64, 35128 Padua, Italy
| | - Vittorina Zagonel
- Oncology 1 Unit, Department of Oncology, Istituto Oncologico Veneto IOV - IRCCS, Via Gattamelata 64, 35128 Padua, Italy
| | - Angelo Paolo Dei Tos
- Department of Pathology, Azienda Ospedale Università Padova, Via Gabelli 61, 35121 Padua, Italy; Department of Medicine, University of Padua School of Medicine, Via 8 Febbraio 2, 35122 Padua, Italy
| | - Marta Sbaraglia
- Department of Pathology, Azienda Ospedale Università Padova, Via Gabelli 61, 35121 Padua, Italy; Department of Medicine, University of Padua School of Medicine, Via 8 Febbraio 2, 35122 Padua, Italy
| | - Antonella Brunello
- Oncology 1 Unit, Department of Oncology, Istituto Oncologico Veneto IOV - IRCCS, Via Gattamelata 64, 35128 Padua, Italy.
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4
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Ren D, Lou J, Wei K, Ifegwu I. Molecularly Confirmed Pseudomyogenic Hemangioendothelioma with Unusual EGFL7::FOSB Fusion in the Head and Neck Region of an Older Patient. Diagnostics (Basel) 2024; 14:342. [PMID: 38337858 PMCID: PMC10855081 DOI: 10.3390/diagnostics14030342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Revised: 02/01/2024] [Accepted: 02/02/2024] [Indexed: 02/12/2024] Open
Abstract
Pseudomyogenic hemangioendothelioma (PMHE), a rare vascular neoplasm, was first described in 1992 asa fibroma-like variant of epithelioid sarcoma, and would be termed as epithelioid sarcoma-like hemangioendothelioma a decade later due to its significant histologic overlap with epithelioid sarcoma and diffuse cytokeratin expression. PHME is currently defined as a distinct, potentially intermediate malignant, rarely metastasizing neoplasm with vascular/endothelial differentiation. It is characterized by young age (typically less than 40 years old), extremity location (approximately ~80%), and t(7:19) SERPINE1::FOSB fusion as the most common molecular alteration. Herein, we report a case of a 59-year-old male presenting with multifocal lesions, including in the right temporalis muscle, right frontoparietal calvarium, right pterygoid muscles, and right mandibular condyle. Histologic examination of the right temporal lesion revealed a multinodular biphasic lesion composed of sheets and fascicles of elongated spindle and epithelioid cells infiltrating into the adjacent skeletal muscle. Admixed abundant neutrophilic infiltration is noted; however, areas of necrosis, increased mitosis, nuclear atypia, or rhabdomyoblast-like cells are absent. Immunohistochemical (IHC) staining showed that the tumor cells were diffusely and strongly positive for FOSB, pan-cytokeratin (AE1/AE3), CD31, and ERG. Molecular testing demonstrated a t(9:19) EGFL7::FOSB fusion mRNA. This constellation of morphological, IHC and molecular findings was consistent with a diagnosis of PMHE. This is the first reported case of multifocal PMHE with EGFL7::FOSB fusion in the head and neck area of a patient aged more than 50 years old. Since the differential diagnoses for PMHE includes high-grade malignancies with aggressive clinical behavior, coupled with the rare reports of PMHE in the head and neck region, awareness of this tumor in the head and neck region will avoid the misdiagnosis and overtreatment of this entity.
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Affiliation(s)
- Dong Ren
- Departments of Pathology and Laboratory Medicine, University of California Irvine Medical Center, Orange, CA 92868, USA;
| | - Jerry Lou
- Departments of Pathology and Laboratory Medicine, University of California Irvine Medical Center, Orange, CA 92868, USA;
| | - Katherine Wei
- Departments of Radiology, University of California Irvine Medical Center, Orange, CA 92868, USA;
| | - Ibe Ifegwu
- Departments of Pathology and Laboratory Medicine, University of California Irvine Medical Center, Orange, CA 92868, USA;
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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] [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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6
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Errani C, De Benedictis I, Righi A, Valenti B, Del Savio E, Baldazzi D, Benini S, Sbaraglia M, Vega Jimenez B, Vanel D, Donati DM, Dei Tos AP, Maestro R. Fusion transcriptome profiling defines the monoclonal origin of multifocal epithelioid haemangioma of bone. Histopathology 2023; 83:743-755. [PMID: 37519041 DOI: 10.1111/his.15016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 07/12/2023] [Accepted: 07/13/2023] [Indexed: 08/01/2023]
Abstract
AIMS Epithelioid haemangioma (EH) of bone remains a highly controversial entity. Indeed, the WHO classifies EHs of soft tissues as benign tumours, whereas bone EHs are considered intermediate-locally aggressive tumours due to common multifocal presentation and local destructive growth. To gain insights into the clinical behaviour and biology of EH of bone we retrospectively analysed 42 patients treated in a single institution from 1978 to 2021. METHODS AND RESULTS Multifocal presentation was detected in 17 of 42 patients (40%) primarily as synchronous lesions. Patients were treated with curettage (57%), resection (29%) or biopsy, followed by radiotherapy or embolisation (14%). Follow-up (minimum 24 months) was available for 38 patients, with only five local recurrences (13%) and no death of disease. To clarify whether the synchronous bone lesions in multifocal EH represent multicentric disease or clonal dissemination, four cases were profiled by RNA-sequencing. Separate lesions from the same patient, which showed a similar transcriptional profile, expressed the same fusion transcript (involving FOS or FOSB) with identical gene breakpoints. CONCLUSIONS These results indicate that, in EH of bone, multifocal lesions are clonally related and therefore represent the spread of a same neoplastic clone rather than simultaneous independent tumours. This finding is in apparent contradiction with the benign clinical course of the disease, and suggests that tumour dissemination in bone EH probably reflects a phenomenon of passive spreading, with tumour cells colonising distal sites while maintaining their benign biological nature.
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Affiliation(s)
- Costantino Errani
- Clinica Ortopedica e Traumatologica III a Prevalente Indirizzo Oncologico, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Ilaria De Benedictis
- Unit of Oncogenetics and Functional Oncogenomics, Centro di Riferimento Oncologico di Aviano (CRO Aviano) IRCCS, Aviano, Italy
| | - Alberto Righi
- Department of Pathology, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Beatrice Valenti
- Unit of Oncogenetics and Functional Oncogenomics, Centro di Riferimento Oncologico di Aviano (CRO Aviano) IRCCS, Aviano, Italy
| | - Elisa Del Savio
- Unit of Oncogenetics and Functional Oncogenomics, Centro di Riferimento Oncologico di Aviano (CRO Aviano) IRCCS, Aviano, Italy
| | - Davide Baldazzi
- Unit of Oncogenetics and Functional Oncogenomics, Centro di Riferimento Oncologico di Aviano (CRO Aviano) IRCCS, Aviano, Italy
| | - Stefania Benini
- Department of Pathology, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Marta Sbaraglia
- Department of Pathology, Azienda Ospedaliera Universitaria di Padova, Padua, Italy
- Department of Medicine, University of Padua School of Medicine, Padua, Italy
| | | | - Daniel Vanel
- Department of Pathology, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Davide Maria Donati
- Clinica Ortopedica e Traumatologica III a Prevalente Indirizzo Oncologico, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Angelo Paolo Dei Tos
- Department of Pathology, Azienda Ospedaliera Universitaria di Padova, Padua, Italy
- Department of Medicine, University of Padua School of Medicine, Padua, Italy
| | - Roberta Maestro
- Unit of Oncogenetics and Functional Oncogenomics, Centro di Riferimento Oncologico di Aviano (CRO Aviano) IRCCS, Aviano, Italy
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7
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Blackburn PR, Douglass DP, Ramakrishnaiah RH, Montgomery CO, Shi Z, Wheeler DA, Koo SC. Neonatal osteoblastic tumor with a novel PTBP1::FOSB fusion. Genes Chromosomes Cancer 2023; 62:611-616. [PMID: 37132513 DOI: 10.1002/gcc.23149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 04/18/2023] [Accepted: 04/24/2023] [Indexed: 05/04/2023] Open
Abstract
Congenital/neonatal bone neoplasms are extremely rare. We present the case of a patient with a neonatal bone tumor of the fibula that had osteoblastic differentiation and a novel PTBP1::FOSB fusion. FOSB fusions are described in several different tumor types, including osteoid osteoma and osteoblastoma; however, these tumors typically present in the second or third decade of life, with case reports as young as 4 months of age. Our case expands the spectrum of congenital/neonatal bone lesions. The initial radiologic, histologic, and molecular findings supported the decision for close clinical follow-up rather than more aggressive intervention. Since the time of diagnosis, this tumor has undergone radiologic regression without treatment.
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Affiliation(s)
- Patrick R Blackburn
- Department of Pathology, St. Jude Children's Research Hospital, Memphis, Tennessee, USA
| | - David P Douglass
- Department of Pediatrics, Hematology/Oncology Section, University of Arkansas for Medical Sciences, Little Rock, Arkansas, USA
| | - Raghu H Ramakrishnaiah
- Department of Pediatric Radiology, Arkansas Children's Hospital, Little Rock, Arkansas, USA
| | - Corey O Montgomery
- Department of Orthopedics, Arkansas Children's Hospital, Little Rock, Arkansas, USA
| | - Zonggao Shi
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, Tennessee, USA
| | - David A Wheeler
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, Tennessee, USA
| | - Selene C Koo
- Department of Pathology, St. Jude Children's Research Hospital, Memphis, Tennessee, USA
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8
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Lin W, Lin Z, Lin X, Peng Z, Liang X, Wei S. Integrated analysis and clinical correlation analysis of hub genes, immune infiltration, and potential therapeutic agents related to lupus nephritis. Lupus 2023; 32:633-643. [PMID: 36912500 DOI: 10.1177/09612033231161587] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/14/2023]
Abstract
BACKGROUND Lupus nephritis (LN) is the most common complication of systemic lupus erythematosus (SLE). This study aimed to explore biomarkers, mechanisms, and potential novel agents regarding LN through bioinformatic analysis. METHOD Four expression profiles were downloaded from the Gene Expression Omnibus (GEO) database and differentially expressed genes (DEGs) were acquired. Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGGs) pathway enrichment analyses of DEGs were performed using the R software. The protein-protein interaction (PPI) network was developed using the STRING database. Additionally, five algorithms were used to screen out the hub genes. Expression of the hub genes were validated using Nephroseq v5. CIBERSORT was used to evaluate the infiltration of immune cells. Finally, The Drug-Gene Interaction Database was used to predict potential targeted drugs. RESULT FOS and IGF1 were identified as hub genes, with excellent specificity and sensitivity diagnosis of LN. FOS was also related to renal injury. LN patients had lower activated and resting dendritic cells (DCs) and higher M1 macrophages and activated NK cells than healthy control (HC). FOS had a positive correlation with activated mast cells and a negative correlation with resting mast cells. IGF1 had a positive correlation with activated DCs and a negative correlation with monocytes. The targeted drugs were dusigitumab and xentuzumab target for IGF1. CONCLUSION We analyzed the transcriptomic signature of LN along with the landscape of the immune cell. FOS and IGF1 are promising biomarkers for diagnosing and evaluating the progression of LN. The drug-gene interaction analyses provide a list of candidate drugs for the precise treatment of LN.
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Affiliation(s)
- Weiyi Lin
- Zhujiang Hospital, The Second School of Clinical Medicine, 70570Southern Medical University, Guangzhou, The People's Republic of China
| | - Zien Lin
- Zhujiang Hospital, The Second School of Clinical Medicine, 70570Southern Medical University, Guangzhou, The People's Republic of China
| | - Xiaobing Lin
- Zhujiang Hospital, The Second School of Clinical Medicine, 70570Southern Medical University, Guangzhou, The People's Republic of China
| | - Zhishen Peng
- Zhujiang Hospital, The Second School of Clinical Medicine, 70570Southern Medical University, Guangzhou, The People's Republic of China
| | - Xiaofeng Liang
- Zhujiang Hospital, The Second School of Clinical Medicine, 70570Southern Medical University, Guangzhou, The People's Republic of China
| | - Shanshan Wei
- Department of Dermatology, Zhujiang Hospital, 70570Southern Medical University, Guangzhou, The People's Republic of China
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9
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The 2020 World Health Organization classification of bone tumors: what radiologists should know. Skeletal Radiol 2023; 52:329-348. [PMID: 35852560 DOI: 10.1007/s00256-022-04093-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/27/2022] [Revised: 06/12/2022] [Accepted: 06/13/2022] [Indexed: 02/02/2023]
Abstract
Improved understanding of tumor biology through molecular alteration and genetic advances has resulted in a number of major changes in the 2020 World Health Organization's (WHO) classification of bone tumors. These changes include the reclassification of the existing tumors and the introduction of several new entities. A new chapter on undifferentiated small round cell sarcomas of bone and soft tissue was added to classify Ewing sarcoma and the family of Ewing-like sarcomas, which share similar histologies but different molecular and clinical behaviors. Knowledge of the current classification of bone tumors is essential to ensure the appropriate recognition of the inherent biological potential of individual osseous lesions for optimal treatment, follow-up, and overall outcome. This article reviews the major changes to the 2020 WHO's classification of primary bone tumors and the pertinent imaging of selected tumors to highlight these changes.
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10
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Frecentese GI, Pantanowitz L, Patel RM, Bresler SC. A rare case of cellular epithelioid hemangioma involving the penis. J Cutan Pathol 2023; 50:97-100. [PMID: 35811482 DOI: 10.1111/cup.14285] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Revised: 06/17/2022] [Accepted: 06/20/2022] [Indexed: 01/24/2023]
Affiliation(s)
| | - Liron Pantanowitz
- Department of Pathology, Michigan Medicine, University of Michigan, Ann Arbor, Michigan, USA
| | - Rajiv M Patel
- Department of Pathology, Michigan Medicine, University of Michigan, Ann Arbor, Michigan, USA.,Department of Dermatology, Michigan Medicine, University of Michigan, Ann Arbor, Michigan, USA
| | - Scott C Bresler
- Department of Pathology, Michigan Medicine, University of Michigan, Ann Arbor, Michigan, USA.,Department of Dermatology, Michigan Medicine, University of Michigan, Ann Arbor, Michigan, USA
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11
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Epithelioid and Spindle Cell Hemangioma: Clinicopathologic Analysis of 18 Primary Bone and Soft Tissue Tumors Highlighting a Predilection for the Hands and Feet, Frequent Multicentricity, and Benign Behavior. Am J Surg Pathol 2023; 47:147-156. [PMID: 36206448 DOI: 10.1097/pas.0000000000001974] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Epithelioid and spindle cell hemangioma was initially described in 1999 in a series of primary bone tumors and was subsequently suggested by some to represent a variant of epithelioid hemangioma. Here, we studied 18 epithelioid and spindle cell hemangiomas. Nine patients (50%) were male. Age at presentation ranged from 12 to 78 years (median: 38.5 y). Nine patients (50%) had tumor(s) limited to bone, 5 (28%) had tumor(s) limited to soft tissue, and 4 (22%) had tumor(s) involving bone and soft tissue. Nine patients (50%) had multiple tumors, all in a unilateral anatomic region involving the wrist, hand, ankle, or foot. Seventeen tumors (94%) occurred in an extremity, including 12 (67%) in the hands and feet, and 1 occurred in a vertebra. In imaging studies, primary bone tumors were lobulated, expansile, and lytic, and 7 bone tumors with available imaging (58%) showed cortical breakthrough. Tumor sizes were 0.8 to 7.2 cm (median: 2.2 cm). Epithelioid and spindle cell hemangioma is composed of lobules of epithelioid and spindled endothelial cells with bland, vesicular nuclei. Neoplastic cells show orderly vasoformative growth, with hemorrhagic stroma and no endothelial atypia or multilayering. Immunohistochemistry demonstrated uniform positivity for CD31 and ERG. Where positive, SMA highlighted pericytes (11/13 tumors). FOSB was strongly positive in 4 of 16 tumors (25%), and FOS was strongly positive in 5 of 10 stained tumors (50%). Break-apart fluorescence in situ hybridization confirmed the presence of FOS split signals in 4 tumors positive for FOS by immunohistochemistry and FOSB split signals in 2 FOSB-positive tumors. DNA sequencing demonstrated a GATA6 :: FOXO1 fusion in 1 of 3 sequenced tumors. Clinical follow-up was available for 15 patients (83%; range: 5 mo to 11 y; median: 3.5 y). Seven patients (47%) had no evidence of disease at most recent follow-up. Seven of 13 patients (54%) who underwent surgery experienced local recurrence at the primary tumor site: 5 patients within a year, 1 at 2.4 years, and 1 thrice at 2, 3, and 5 years. Six patients were alive with multifocal disease (median: 3.5 y; range: 5 mo to 6 y). No tumors gave rise to distant metastases. The clinicopathologic and genetic findings in this study support the notion that epithelioid and spindle cell hemangioma is a morphologic variant of epithelioid hemangioma that can occur in soft tissue as well as bone and that shows a striking predilection for the extremities. Given that most recurrences and primary tumors behaved indolently, watchful waiting would be reasonable for patients with multicentric disease that is not readily amenable to surgery.
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Concurrent Warthin tumor and Kimura disease: a case report. J Med Case Rep 2023; 17:7. [PMID: 36611215 PMCID: PMC9826584 DOI: 10.1186/s13256-022-03729-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Accepted: 12/20/2022] [Indexed: 01/09/2023] Open
Abstract
BACKGROUND Warthin tumor (WT) is a common benign salivary tumor of the parotid gland. Clinically, it occurs in men in their fifth to seventh decades who typically smoke cigarettes. WTs have been reported with different head and neck neoplasms and other salivary gland tumors within the same or another salivary gland. Kimura disease (KD) is a rare chronic inflammatory disease with unknown etiology affecting young to middle-aged Asian men. KD presents as an asymptomatic nodule in the head and neck area, with regional lymphadenopathy and salivary gland involvement. CASE PRESENTATION A 64-year-old Arabic man presented with a 10-year history of an asymptomatic swelling of the left face. Computed tomography showed a well-defined, multicystic mass with heterogeneous enhancement. The resected mass was composed of two distinct components. There was a well-demarcated proliferation of papillary and cystic oncocytic epithelium with lymphoid stroma, consistent with WT. Some areas exhibited sclerotic fibrosis, with multiple lymphoid follicles showing folliculolysis, follicular hyperplasia, and eosinophilic infiltrate. The patient's immunoglobulin E level serum was elevated, confirming a coexisting KD. The patient underwent a left superficial parotidectomy, with no recurrence at a 30-month follow-up. CONCLUSION This report describes the first concurrent case of WT and KD in the parotid gland.
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13
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PANAGOPOULOS IOANNIS, HEIM SVERRE. Neoplasia-associated Chromosome Translocations Resulting in Gene Truncation. Cancer Genomics Proteomics 2022; 19:647-672. [PMID: 36316036 PMCID: PMC9620447 DOI: 10.21873/cgp.20349] [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: 07/06/2022] [Revised: 08/19/2022] [Accepted: 08/23/2022] [Indexed: 11/27/2022] Open
Abstract
Chromosomal translocations in cancer as well as benign neoplasias typically lead to the formation of fusion genes. Such genes may encode chimeric proteins when two protein-coding regions fuse in-frame, or they may result in deregulation of genes via promoter swapping or translocation of the gene into the vicinity of a highly active regulatory element. A less studied consequence of chromosomal translocations is the fusion of two breakpoint genes resulting in an out-of-frame chimera. The breaks then occur in one or both protein-coding regions forming a stop codon in the chimeric transcript shortly after the fusion point. Though the latter genetic events and mechanisms at first awoke little research interest, careful investigations have established them as neither rare nor inconsequential. In the present work, we review and discuss the truncation of genes in neoplastic cells resulting from chromosomal rearrangements, especially from seemingly balanced translocations.
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Affiliation(s)
- IOANNIS PANAGOPOULOS
- Section for Cancer Cytogenetics, Institute for Cancer Genetics and Informatics, The Norwegian Radium Hospital, Oslo University Hospital, Oslo, Norway
| | - SVERRE HEIM
- Section for Cancer Cytogenetics, Institute for Cancer Genetics and Informatics, The Norwegian Radium Hospital, Oslo University Hospital, Oslo, Norway,Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway
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14
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Atherton K, Hinen H. Vascular Anomalies. Dermatol Clin 2022; 40:401-423. [DOI: 10.1016/j.det.2022.06.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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15
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Yuen LC, Baker ML, Sin JM, Linos K, Kerr DA. A Rare Case of Primary Epithelioid Hemangioma of Bone with WWTR1::FOSB Fusion: A Benign Lesion with the Potential to Mimic Malignancy. Int J Surg Pathol 2022:10668969221117438. [PMID: 35946109 DOI: 10.1177/10668969221117438] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Epithelioid hemangioma of bone is a rare benign, locally aggressive vascular tumor that can be particularly challenging to diagnose given its frequent multifocality, non-specific imaging findings, and wide range of morphologic appearances. Additionally, some epithelioid hemangiomas demonstrate atypical histologic features including increased cellularity, necrosis, and moderate cytologic atypia - characteristics that may raise concern for malignancy. Molecular studies can serve as a powerful, objective tool in the differential diagnosis of diagnostically challenging epithelioid vascular tumors. Importantly, FOS and FOSB gene rearrangements have been identified as the genetic hallmarks of osseous epithelioid hemangioma, present in greater than 70% of cases. FOSB-fusion-positive epithelioid hemangioma, in particular, may display atypical histologic features. While ZFP36 is the typical FOSB fusion partner in epithelioid hemangioma, we herein present a case of epithelioid hemangioma of bone with a rare WWTR1::FOSB fusion. This case demonstrates the diagnostic challenges associated with epithelioid hemangioma, especially in the setting of FOSB gene rearrangements, and the importance of genomic studies in the work up of these vascular tumors.
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Affiliation(s)
- Leslie C Yuen
- 12285Geisel School of Medicine at Dartmouth, Hanover, NH, USA
| | - Michael L Baker
- 12285Geisel School of Medicine at Dartmouth, Hanover, NH, USA.,Department of Pathology and Laboratory Medicine, 22916Dartmouth-Hitchcock Medical Center, Lebanon, NH, USA
| | - Jessica M Sin
- 12285Geisel School of Medicine at Dartmouth, Hanover, NH, USA.,Department of Radiology, 22916Dartmouth-Hitchcock Medical Center, Lebanon, NH, USA
| | - Konstantinos Linos
- 12285Geisel School of Medicine at Dartmouth, Hanover, NH, USA.,Department of Pathology and Laboratory Medicine, 22916Dartmouth-Hitchcock Medical Center, Lebanon, NH, USA
| | - Darcy A Kerr
- 12285Geisel School of Medicine at Dartmouth, Hanover, NH, USA.,Department of Pathology and Laboratory Medicine, 22916Dartmouth-Hitchcock Medical Center, Lebanon, NH, USA
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16
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Abboud S, Bhatt A, Pateva I, Saab S, Hameed M, Healey J, Getty P. Multidisciplinary, articular surface-preserving treatment strategy for locally aggressive epithelioid hemangioma of the acetabulum employing serial bland transarterial embolization. Skeletal Radiol 2022; 51:1493-1498. [PMID: 35001142 DOI: 10.1007/s00256-021-03977-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/03/2021] [Revised: 12/02/2021] [Accepted: 12/11/2021] [Indexed: 02/02/2023]
Abstract
Epithelioid hemangioma is a rare, histologically benign but locally aggressive primary vascular neoplasm that can rarely arise in bone. Mainstay treatment is surgical resection or curettage with bone grafting. We report a novel multidisciplinary, joint-sparing treatment approach for an epithelioid hemangioma of bone arising in the acetabulum causing severe thinning of the subchondral bone plate. After 4 sessions of transarterial bland particle and ethanol embolization, the resultant increased ossification of the tumor allowed preservation of the articular surface during surgical resection. Imaging follow-up 14 months after surgical resection showed no evidence of recurrence and continued ossification of the portions of the lesion treated only with embolization.
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Affiliation(s)
- Salim Abboud
- Department of Radiology, University Hospitals Cleveland Medical Center, 11100 Euclid Avenue, Cleveland, OH, 44106, USA.
| | - Aashish Bhatt
- Department of Radiation Oncology, University Hospitals Cleveland Medical Center, Cleveland, OH, USA
| | - Irina Pateva
- Division of Pediatric Hematology and Oncology, University Hospitals Rainbow Babies and Children's, Cleveland, OH, USA
| | - Shahrazad Saab
- Department of Pathology, University Hospitals Cleveland Medical Center, Cleveland, OH, USA
| | - Meera Hameed
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - John Healey
- Orthopaedic Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Patrick Getty
- Department of Orthopaedic Surgery, University Hospitals Cleveland Medical Center, Cleveland, OH, USA
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17
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Tsui KY, Maclean F, Moir D, Cheah A, Bonar F, Tabot J, Gill AJ, Vargas AC. Immunohistochemistry for FOSB and FOS is a Useful Ancillary Tool in the Diagnosis of Epithelioid Hemangioma but There are Pitfalls in Interpretation Including Expression in Other Vascular Lesions. Int J Surg Pathol 2022; 31:280-288. [PMID: 35635207 DOI: 10.1177/10668969221101867] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Introduction: Epithelioid hemangioma is a benign vascular neoplasm associated with FOS and/or FOSB protein overexpression detected by immunohistochemistry (IHC). Methods: The aim of our study was to determine the co-expression or independent IHC expression of FOS and FOSB in a cohort of epithelioid hemangiomas. We also included two cohorts of other vascular lesions: papillary endothelial hyperplasia and lobular capillary hemangioma / pyogenic granuloma. Results: We identified 50 cases of epithelioid hemangioma, 84% of which were cutaneous and the remaining involved other anatomic locations. Over two thirds of all cases expressed FOSB (68%; 34/50) while FOS immunoreactivity was identified in 46% of all cases. Co-expression of FOSB and FOS occurred in 37% of cases while 76% of all cases stained for at least one of the antibodies. Fifty-eight percent (n = 14/24) and 33% (8/24) of all cases of papillary endothelial hyperplasia expressed FOS and FOSB, respectively. Thirty-two per cent of lobular capillary hemangiomas (n = 8/25) were positive for either FOS or FOSB. Conclusion: In summary, we present the largest cohort of epithelioid hemangiomas assessed with both FOS and FOSB and demonstrated that the use of both antibodies increases the detection rate of these proliferations by 10%. Nonetheless, the use of thresholds may not be appropriate, as only a subset of lesional endothelial cells label with FOS/FOSB. Over half of all cases of papillary endothelial hyperplasia and a third of lobular capillary hemangiomas also displayed immunoreactivity with FOS and/or FOSB.
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Affiliation(s)
- Kwan Yee Tsui
- Douglass Hanly Moir Pathology, Sonic Healthcare, Macquarie Park, Australia
| | - Fiona Maclean
- Douglass Hanly Moir Pathology, Sonic Healthcare, Macquarie Park, Australia
- Cancer Diagnosis and Pathology Group, Kolling Institute of Medical Research, Royal North Shore Hospital, St Leonards, Australia
- Department of Clinical Medicine, Faculty of Medicine and Health Sciences, Macquarie University, Sydney, Australia
| | - Denis Moir
- Douglass Hanly Moir Pathology, Sonic Healthcare, Macquarie Park, Australia
| | - Alison Cheah
- Douglass Hanly Moir Pathology, Sonic Healthcare, Macquarie Park, Australia
| | - Fiona Bonar
- Douglass Hanly Moir Pathology, Sonic Healthcare, Macquarie Park, Australia
| | - Joel Tabot
- Douglass Hanly Moir Pathology, Sonic Healthcare, Macquarie Park, Australia
| | - Anthony J. Gill
- Cancer Diagnosis and Pathology Group, Kolling Institute of Medical Research, Royal North Shore Hospital, St Leonards, Australia
- University of Sydney, Sydney, Australia
- NSW Health Pathology, Department of Anatomical Patohlogy, Royal North Shore Hospital, St Leonards, Australia
| | - A. Cristina Vargas
- Douglass Hanly Moir Pathology, Sonic Healthcare, Macquarie Park, Australia
- Cancer Diagnosis and Pathology Group, Kolling Institute of Medical Research, Royal North Shore Hospital, St Leonards, Australia
- University of Sydney, Sydney, Australia
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18
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Goto K, Ogawa K, Fukai T, Miura K, Yanagihara S, Honma K, Motoi T. Categorization of cutaneous epithelioid angiomatous nodule as epithelioid hemangioma or angiolymphoid hyperplasia with eosinophilia: clinicopathologic, immunohistochemical, and molecular analyses of seven lesions. J Cutan Pathol 2022; 49:765-771. [PMID: 35490255 DOI: 10.1111/cup.14246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Revised: 03/28/2022] [Accepted: 04/25/2022] [Indexed: 11/28/2022]
Abstract
BACKGROUND The status of cutaneous epithelioid angiomatous nodule (CEAN) as a distinct entity remains controversial. This study investigated the relationship between CEAN and epithelioid hemangioma/angiolymphoid hyperplasia with eosinophilia (ALHE). METHODS Data of seven lesions with CEAN features from four cases (Cases 1-4:61-year-old, 76-year-old, 53-year-old, and 21-year-old men, respectively) were investigated. RESULTS Cases 1 and 2 showed multiple lesions in the head and neck region, but Cases 3 and 4 showed solitary lesions on the back and scalp, respectively. Moreover, the histopathologic findings of the lesions of Cases 1 and 2 were consistent with those of conventional epithelioid hemangioma or classic cutaneous ALHE. Diffuse immunoexpression of FOSB was observed in Cases 1 and 2, but FOSB split signals were absent in break-apart fluorescence in situ hybridization (FISH). In contrast, the histopathologic findings of the lesions of Cases 3 and 4 were consistent with those of cellular-type epithelioid hemangiomas. Diffuse immunoreactivity for c-FOS was observed in Cases 3 and 4, and split signals of FOS were present in break-apart FISH in Case 3. CONCLUSIONS This study demonstrated that the seven tumors with CEAN features could be reclassified under the epithelioid hemangioma/ALHE group, although the small sample size is a limitation. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Keisuke Goto
- Department of Diagnostic Pathology and Cytology, Osaka International Cancer Institute, Osaka, Japan.,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 Clinical Laboratory and 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
| | - Kohei Ogawa
- Department of Dermatology, Nara Medical University School of Medicine, Kashihara, Japan
| | - Tatsuo Fukai
- Department of Dermatology and Allergology, Juntendo Nerima Hospital, Tokyo, Japan
| | - Keiko Miura
- Department of Surgical Pathology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | - Shigeto Yanagihara
- Department of Dermatology, Kindai University Faculty of Medicine, Osaka-Sayama, Japan
| | - Keiichiro Honma
- Department of Diagnostic Pathology and Cytology, Osaka International Cancer Institute, Osaka, Japan
| | - Toru Motoi
- Department of Pathology, Tokyo Metropolitan Cancer and Infectious Disease Center Komagome Hospital, Tokyo, Japan
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19
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Dashti NK, Dermawan J, Schoolmeester JK, Halling KC, Antonescu CR. A novel
WWTR1
::
AFF2
fusion in an intra‐abdominal soft tissue sarcoma with associated endometriosis. Genes Chromosomes Cancer 2022; 61:497-502. [PMID: 35429182 PMCID: PMC9233893 DOI: 10.1002/gcc.23045] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2022] [Revised: 03/25/2022] [Accepted: 04/06/2022] [Indexed: 11/08/2022] Open
Abstract
Application of molecular testing in clinical practice has led to significant advances in the classification of soft tissue sarcomas. Despite remarkable progress, there are still challenging cases that remain unclassified. In this study, we present an unusual spindle cell sarcoma arising in the abdominal cavity of a 37-year-old female. An extensive panel of immunostains was nonspecific for a line of differentiation and the tumor was subjected to targeted RNA sequencing for further classification. The findings showed a novel WWTR1::AFF2 fusion, which was further confirmed by break-apart FISH analysis for WWTR1 gene rearrangement. The tumor was attached to the wall of sigmoid colon and showed a highly cellular proliferation of plump spindle to epithelioid cells arranged in intersecting fascicles. Areas of extensive endometriosis were identified adjacent to the tumor. The immunoprofile was significant for reactivity with desmin, calponin, WT-1, ER, and PR, while negative for CD10, SMA, caldesmon, pan-keratin, ALK, CD117, and S100. The patient is alive and well after 11 months of follow-up. The exact histogenesis of this sarcoma remains unclear, however, the presence of adjacent endometriosis and coexpression of WT1/ER/PR raises the possibility of an unusual endometrioid stromal sarcoma, occurring outside the GYN tract. Additional cases are needed to establish the recurrent potential of this fusion event and to better define its pathogenesis and clinical behavior.
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Affiliation(s)
- Nooshin K. Dashti
- Department of Pathology and Laboratory Medicine Cedar‐Sinai Los Angeles California United States
| | - Josephine Dermawan
- Department of Pathology Memorial Sloan Kettering Cancer Center New York New York United States
| | | | - Kevin C. Halling
- Department of Pathology and Laboratory Medicine Mayo Clinic Rochester Minnesota United States
| | - Cristina R. Antonescu
- Department of Pathology Memorial Sloan Kettering Cancer Center New York New York United States
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20
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Tan W, Nelson J. From FOS fusions to somatic mutations in the MAPK pathway, heterogeneous genetic abnormalities cause distinct pathophysiology among subsets of epithelioid haemangiomas. Br J Dermatol 2022; 186:393-394. [PMID: 35230703 PMCID: PMC9216181 DOI: 10.1111/bjd.20952] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- W. Tan
- Department of Cell Biology and Anatomy, University of South Carolina School of Medicine, Columbia, SC 29209, USA
| | - J.S. Nelson
- Department of Surgery, Beckman Laser Institute and Medical Clinic, University of California Irvine, Irvine, CA 92612, USA
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21
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Chukwudebe O, Brown RA. IMMUNOHISTOCHEMICAL AND MOLECULAR UPDATES IN CUTANEOUS SOFT TISSUE NEOPLASMS. Semin Diagn Pathol 2022; 39:257-264. [DOI: 10.1053/j.semdp.2022.02.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/18/2021] [Revised: 02/04/2022] [Accepted: 02/18/2022] [Indexed: 11/11/2022]
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22
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Torrence D, Antonescu CR. The genetics of vascular tumours: an update. Histopathology 2022; 80:19-32. [PMID: 34958509 PMCID: PMC8950088 DOI: 10.1111/his.14458] [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: 07/12/2021] [Revised: 07/16/2021] [Accepted: 07/20/2021] [Indexed: 01/03/2023]
Abstract
Recent molecular advances have shed significant light on the classification of vascular tumours. Except for haemangiomas, vascular lesions remain difficult to diagnose, owing to their rarity and overlapping clinical, radiographic and histological features across malignancies. In particular, challenges still remain in the differential diagnosis of epithelioid vascular tumours, including epithelioid haemangioma and epithelioid haemangioendothelioma at the benign/low-grade end of the spectrum, and epithelioid angiosarcoma at the high-grade end. Historically, the classification of vascular tumours has been heavily dependent on the clinical setting and histological features, as traditional immunohistochemical markers across the group have often been non-discriminatory. The increased application of next-generation sequencing in clinical practice, in particular targeted RNA sequencing (such as Archer, Illumina), has led to numerous novel discoveries, mainly recurrent gene fusions (e.g. those involving FOS, FOSB, YAP1, and WWTR1), which have resulted in refined tumour classification and improved diagnostic reproducibility for vascular tumours. However, other molecular alterations besides fusions have been discovered in vascular tumours, including somatic mutations (e.g. involving GNA family and IDH genes) in a variety of haemangiomas, as well as copy number alterations in high-grade angiosarcomas (e.g. MYC amplifications). Moreover, the translation of these novel molecular abnormalities into diagnostic ancillary markers, either fluorescence in-situ hybridisation probes or surrogate immunohistochemical markers (FOSB, CAMTA1, YAP1, and MYC), has been remarkable. This review will focus on the latest molecular discoveries covering both benign and malignant vascular tumours, and will provide practical diagnostic algorithms, highlighting frequently encountered pitfalls and challenges in the diagnosis of vascular lesions.
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Affiliation(s)
- Dianne Torrence
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Cristina R Antonescu
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY,Corresponding author: Cristina R Antonescu, MD, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY 10065,
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23
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Hung YP. Vascular Tumors of Bone: Updates and Diagnostic Pitfall. Surg Pathol Clin 2021; 14:645-663. [PMID: 34742485 DOI: 10.1016/j.path.2021.06.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Vascular tumors of bone can be diagnostically challenging because of their rarity and histologic overlap with diverse mimics. Vascular tumors of bone can be categorized as benign (hemangioma), intermediate-locally aggressive (epithelioid hemangioma), intermediate-rarely metastasizing (pseudomyogenic hemangioendothelioma), and malignant (epithelioid hemangioendothelioma and angiosarcoma). Recurrent genetic alterations have been described, such as FOSB rearrangements in pseudomyogenic hemangioendothelioma and a subset of epithelioid hemangiomas; CAMTA1 or TFE3 rearrangements in epithelioid hemangioendothelioma. This review discusses the clinical, histologic, and molecular features of vascular tumors of bone, along with diagnostic pitfalls and strategies for avoidance.
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Affiliation(s)
- Yin P Hung
- Department of Pathology, Massachusetts General Hospital, 55 Fruit Street, Boston, MA, USA; Harvard Medical School, Boston, MA, USA.
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24
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Maurus K, Kosnopfel C, Kneitz H, Appenzeller S, Schrama D, Glutsch V, Roth S, Gerhard-Hartmann E, Rosenfeldt M, Möhrmann L, Fröhlich M, Hübschmann D, Stenzinger A, Glimm H, Fröhling S, Goebeler M, Rosenwald A, Kutzner H, Schilling B. Cutaneous epithelioid hemangiomas show somatic mutations in the MAPK pathway. Br J Dermatol 2021; 186:553-563. [PMID: 34726260 DOI: 10.1111/bjd.20869] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/29/2021] [Indexed: 11/26/2022]
Abstract
BACKGROUND Epithelioid hemangioma (EH) arising from the skin is a benign vascular tumor with marked inflammatory cell infiltration, which exhibits a high tendency to persist and frequently recurs after resection. So far, the underlying pathogenesis is largely elusive. OBJECTIVES To identify genetic alterations by next-generation-sequencing and/or droplet digital PCR (ddPCR) in cutaneous EH. METHODS DNA and RNA from an EH lesion of an index patient were subjected to whole genome and RNA sequencing. Multiplex PCR-based panel sequencing of genomic DNA isolated from archival formalin-fixed paraffin-embedded (FFPE) tissue of 18 cutaneous EH patients was performed. ddPCR was used to confirm mutations. RESULTS We identified somatic mutations in genes of the MAPK pathway (MAP2K1 and KRAS) in cutaneous EH biopsies. By ddPCR we could confirm the recurrent presence of activating, low-frequency mutations affecting MAP2K1. In total, 9 out of 18 analyzed patients showed activating MAPK pathway mutations, which were mutually exclusive. Comparative analysis of tissue areas enriched for lymphatic infiltrate or aberrant endothelial cells, respectively, revealed an association of these mutations with the presence of endothelial cells. CONCLUSIONS Taken together, our data suggest that EH shows somatic mutations in genes of the MAPK pathway which might contribute to the formation of this benign tumor.
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Affiliation(s)
- K Maurus
- Institute of Pathology, University of Würzburg, Würzburg, Germany
| | - C Kosnopfel
- Department of Dermatology, Venereology and Allergology, University Hospital Würzburg, Würzburg, Germany
| | - H Kneitz
- Department of Dermatology, Venereology and Allergology, University Hospital Würzburg, Würzburg, Germany
| | - S Appenzeller
- Comprehensive Cancer Center Mainfranken, University of Würzburg, Würzburg, Germany
| | - D Schrama
- Department of Dermatology, Venereology and Allergology, University Hospital Würzburg, Würzburg, Germany
| | - V Glutsch
- Department of Dermatology, Venereology and Allergology, University Hospital Würzburg, Würzburg, Germany
| | - S Roth
- Institute of Pathology, University of Würzburg, Würzburg, Germany
| | | | - M Rosenfeldt
- Institute of Pathology, University of Würzburg, Würzburg, Germany
| | - L Möhrmann
- Department of Translational Medical Oncology, National Center for Tumor Diseases (NCT), Dresden, Germany
- Faculty of Medicine, University Hospital Carl Gustav Carus Dresden, Technische Universität Dresden, Dresden, Germany
- Center for Personalized Oncology, University Hospital Carl Gustav Carus Dresden, Technische Universität Dresden, Dresden, Germany
| | - M Fröhlich
- Computational Oncology Group, Molecular Diagnostics Program, National Center for Tumor Diseases (NCT) Heidelberg and German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - D Hübschmann
- Computational Oncology Group, Molecular Diagnostics Program, National Center for Tumor Diseases (NCT) Heidelberg and German Cancer Research Center (DKFZ), Heidelberg, Germany
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM), Heidelberg, Germany
- German Cancer Consortium (DKTK), Dresden, Germany
| | - A Stenzinger
- Institute of Pathology, University Hospital Heidelberg, Heidelberg, Germany
| | - H Glimm
- Department of Translational Medical Oncology, National Center for Tumor Diseases (NCT), Dresden, Germany
- Center for Personalized Oncology, University Hospital Carl Gustav Carus Dresden, Technische Universität Dresden, Dresden, Germany
- Institute of Pathology, University Hospital Heidelberg, Heidelberg, Germany
- Translational Functional Cancer Genomics, National Center for Tumor Diseases (NCT) Heidelberg and German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - S Fröhling
- German Cancer Consortium (DKTK), Dresden, Germany
- Division of Translational Medical Oncology, National Center for Tumor Diseases (NCT) Heidelberg and German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - M Goebeler
- Department of Dermatology, Venereology and Allergology, University Hospital Würzburg, Würzburg, Germany
| | - A Rosenwald
- Institute of Pathology, University of Würzburg, Würzburg, Germany
| | - H Kutzner
- Dermatopathology, Friedrichshafen, Germany
| | - B Schilling
- Department of Dermatology, Venereology and Allergology, University Hospital Würzburg, Würzburg, Germany
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25
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Hatfield BS, Smith SC, Boikos SA, Sayeed S. The cytologic features of primary pseudomyogenic hemangioendothelioma of bone. Diagn Cytopathol 2021; 49:1261-1264. [PMID: 34636475 DOI: 10.1002/dc.24887] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 09/30/2021] [Accepted: 10/04/2021] [Indexed: 11/07/2022]
Affiliation(s)
- Bryce S Hatfield
- Department of Pathology, Virginia Commonwealth University Medical Center, Richmond, Virginia, USA
| | - Steven C Smith
- Department of Pathology, Virginia Commonwealth University Medical Center, Richmond, Virginia, USA
| | - Sosipatros A Boikos
- Department of Hematology/Oncology, Virginia Commonwealth University Medical Center, Richmond, Virginia, USA
| | - Sadia Sayeed
- Department of Pathology, Virginia Commonwealth University Medical Center, Richmond, Virginia, USA
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26
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Ong SLM, Szuhai K, Bovée JVMG. Gene fusions in vascular tumors and their underlying molecular mechanisms. Expert Rev Mol Diagn 2021; 21:897-909. [PMID: 34225547 DOI: 10.1080/14737159.2021.1950533] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
INTRODUCTION The group of vascular tumors contains many different entities, and is considered difficult by pathologists, as they often have overlapping histological characteristics. Chromosomal translocations have been identified in ~20% of mesenchymal tumors and are considered the drivers of tumor formation. Many translocations have been discovered over the past decade through next-generation sequencing. This technological advancement has also revealed several recurrent gene fusions in vascular tumors. AREAS COVERED This review will discuss the various vascular tumors for which recurrent gene fusions have been identified. The gene fusions and the presumed molecular mechanisms underlying tumorigenesis are shown, and potential implications for targeted therapies discussed. The identification of these gene fusions in vascular tumors has improved diagnostic accuracy, especially since several of these fusions can be easily detected using surrogate immunohistochemical markers. EXPERT OPINION The identification of gene fusions in a subset of vascular tumors over the past decade has improved diagnostic accuracy, and has provided the pathologists with novel diagnostic tools to accurately diagnose these often difficult tumors. Moreover, the increased understanding of the underlying molecular mechanisms can guide the development of targeted therapeutic strategies.
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Affiliation(s)
- Sheena L M Ong
- Department of Pathology, Leiden University Medical Center, Leiden, The Netherlands
| | - Karoly Szuhai
- Department of Cell and Chemical Biology, Leiden University Medical Center, Leiden, The Netherlands
| | - Judith V M G Bovée
- Department of Pathology, Leiden University Medical Center, Leiden, The Netherlands
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Dashti NK, Dickson BC, Zhang L, Xie Z, Nielsen GP, Antonescu CR. A unique epithelioid vascular neoplasm of bone characterized by EWSR1/FUS-NFATC1/2 fusions. Genes Chromosomes Cancer 2021; 60:762-771. [PMID: 34310785 DOI: 10.1002/gcc.22984] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Revised: 06/29/2021] [Accepted: 07/01/2021] [Indexed: 02/06/2023] Open
Abstract
An increasing number of epithelioid vascular lesions, in particular tumors from the benign and low-grade end of the spectrum, have been characterized by recurrent gene fusions. As a result, the detection of these molecular markers have improved the classification of diagnostically challenging cases. However, despite the significant progress, there are occasional lesions that do not fit in known histologic or molecular groups. Herein, we present five such unclassified epithelioid vascular lesions, which occurred in the bone and showed a distinct morphology composed of alternating vasoformative and solid growth and mild to moderate nuclear pleomorphism. The variegated morphologic appearance resembled that of composite hemangioendothelioma, being distinct from both epithelioid hemangioma and epithelioid hemangioendothelioma, and consistently showed cytologic atypia. Due to their unusual morphologic appearance and negative molecular work-up, targeted transcriptome sequencing was performed in two cases showing the presence of NFATC2 fusions with either EWSR1 or FUS genes. Three additional bone tumors with EWSR1 gene rearrangements were identified by FISH screening of a large cohort of 45 fusion-negative epithelioid vascular neoplasms, one fused to NFATC2 while two others to NFATC1. There were three females and two males, with a wide age range at presentation, mean of 44 years. The lesions occurred in the pelvis, maxillary sinus, and humerus. Two patients presented with polyostotic disease, both located in the pelvic bones. Two patients had available follow-up, one developed two local recurrences in the humerus over a 15-year period, while the other showed no recurrence 4 years subsequent to an en-bloc resection. Tumors were positive for CD31 and ERG, while negative for EMA, CK, synaptophysin, and chromogranin. FISH confirmed this abnormality in all cases, none of them being associated with gene amplifications. Further studies are needed to establish the pathogenetic relationship of this rare molecular subset with other epithelioid vascular tumors and to determine its clinical behavior.
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Affiliation(s)
- Nooshin K Dashti
- Department of Pathology, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Brendan C Dickson
- Department of Pathology & Laboratory Medicine, Mount Sinai Hospital, Toronto, Ontario, Canada
| | - Lei Zhang
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Ziyu Xie
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | | | - Cristina R Antonescu
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, New York, USA
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