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Skálová A, Agaimy A, Bradova M, Poorten VV, Hanna E, Guntinas-Lichius O, Franchi A, Hellquist H, Simpson RHW, Lopéz F, Nuyts S, Chiesa-Estomba C, Ng SP, Homma A, Teng Y, Leivo I, Ferlito A. Molecularly defined sinonasal malignancies: an overview with focus on the current WHO classification and recently described provisional entities. Virchows Arch 2024; 484:885-900. [PMID: 38491228 PMCID: PMC11186917 DOI: 10.1007/s00428-024-03775-y] [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: 01/06/2024] [Revised: 02/19/2024] [Accepted: 03/04/2024] [Indexed: 03/18/2024]
Abstract
Classification of tumors of the head and neck has evolved in recent decades including a widespread application of molecular testing in tumors of the sinonasal tract, salivary glands, and soft tissues with a predilection for the head and neck. The availability of new molecular techniques has allowed for the definition of multiple novel tumor types unique to head and neck sites. Moreover, an expanding spectrum of immunohistochemical markers specific to genetic alterations facilitates rapid identification of diagnostic molecular abnormalities. As such, it is currently possible for head and neck pathologists to benefit from a molecularly defined tumor classification while making diagnoses that are still based largely on histopathology and immunohistochemistry. This review covers the principal molecular alterations in sinonasal malignancies, such as alterations in DEK, AFF2, NUTM1, IDH1-2, and SWI/SNF genes in particular, that are important from a practical standpoint for diagnosis, prognosis, and prediction of response to treatment.
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Affiliation(s)
- Alena Skálová
- Sikl's Department of Pathology, Faculty of Medicine in Pilsen, Charles University, E. Benese 13, 305 99, Pilsen, Czech Republic.
- Bioptic Laboratory, Ltd., Pilsen, Czech Republic.
| | - Abbas Agaimy
- Institute of Pathology, University Hospital Erlangen, Friedrich-Alexander University Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - Martina Bradova
- Sikl's Department of Pathology, Faculty of Medicine in Pilsen, Charles University, E. Benese 13, 305 99, Pilsen, Czech Republic
- Bioptic Laboratory, Ltd., Pilsen, Czech Republic
| | - Vincent Vander Poorten
- Department of Otorhinolaryngology-Head and Neck Surgery, Leuven Cancer Institute, University Hospitals Leuven, 3000, Louvain, Belgium
- Department of Oncology, Section Head and Neck Oncology, Leuven Cancer Institute, KU Leuven, Louvain, Belgium
| | - Ehab Hanna
- Department of Head & Neck Surgery, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | | | - Alessandro Franchi
- Department of Translational Research, School of Medicine, University of Pisa, Pisa, Italy
| | - Henrik Hellquist
- Faculty of Medicine and Biomedical Sciences (FMCB), Biomedical Center Research Institute (ABC-RI), University of Algarve, Faro, Portugal
| | | | - Fernando Lopéz
- Department of Otolaryngology, ISPA, IUOPA, CIBERONC, Hospital Universitario Central de Asturias, University of Oviedo, Oviedo, Spain
| | - Sandra Nuyts
- Laboratory of Experimental Radiotherapy, Department of Oncology, Leuven Cancer Institute, University Hospitals Leuven, 3000, Louvain, Belgium
- Department of Radiation Oncology, Leuven Cancer Institute, University Hospitals Leuven, 3000, Louvain, Belgium
| | - Carlos Chiesa-Estomba
- Department of Otorhinolaryngology-Head and Neck Surgery, Hospital Universitario Donostia, Donostia-San Sebastian, Guipuzkoa-Basque Country, Spain
| | - Sweet Ping Ng
- Department of Radiation Oncology, Olivia Newton-John Cancer Wellness and Research Centre, Austin Health, Melbourne, Australia
| | - Akihiro Homma
- Department of Otolaryngology-Head and Neck Surgery, Faculty of Medicine, Graduate School of Medicine, Hokkaido University, Hokkaido, Japan
| | - Yong Teng
- Department of Hematology and Medical Oncology, Winship Cancer Institute, Emory University School of Medicine, Atlanta, GA, USA
| | - Ilmo Leivo
- Institute of Biomedicine, Pathology, University of Turku, Turku, Finland
- Department of Pathology, Turku University Hospital, Turku, Finland
| | - Alfio Ferlito
- Coordinator of the International Head and Neck Scientific Group, Padua, Italy
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2
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Hoch CC, Knoedler L, Knoedler S, Bashiri Dezfouli A, Schmidl B, Trill A, Douglas JE, Adappa ND, Stögbauer F, Wollenberg B. Integrated Molecular and Histological Insights for Targeted Therapies in Mesenchymal Sinonasal Tract Tumors. Curr Oncol Rep 2024; 26:272-291. [PMID: 38376625 PMCID: PMC10920452 DOI: 10.1007/s11912-024-01506-9] [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] [Accepted: 02/07/2024] [Indexed: 02/21/2024]
Abstract
PURPOSE OF REVIEW This review aims to provide a comprehensive overview of mesenchymal sinonasal tract tumors (STTs), a distinct subset of STTs. Despite their rarity, mesenchymal STTs represent a unique clinical challenge, characterized by their rarity, often slow progression, and frequently subtle or overlooked symptoms. The complex anatomy of the sinonasal area, which includes critical structures such as the orbit, brain, and cranial nerves, further complicates surgical treatment options. This underscores an urgent need for more advanced and specialized therapeutic approaches. RECENT FINDINGS Advancements in molecular diagnostics, particularly in next-generation sequencing, have significantly enhanced our understanding of STTs. Consequently, the World Health Organization has updated its tumor classification to better reflect the distinct histological and molecular profiles of these tumors, as well as to categorize mesenchymal STTs with greater accuracy. The growing understanding of the molecular characteristics of mesenchymal STTs opens new possibilities for targeted therapeutic interventions, marking a significant shift in treatment paradigms. This review article concentrates on mesenchymal STTs, specifically addressing sinonasal tract angiofibroma, sinonasal glomangiopericytoma, biphenotypic sinonasal sarcoma, and skull base chordoma. These entities are marked by unique histopathological and molecular features, which challenge conventional treatment approaches and simultaneously open avenues for novel targeted therapies. Our discussion is geared towards delineating the molecular underpinnings of mesenchymal STTs, with the objective of enhancing therapeutic strategies and addressing the existing shortcomings in the management of these intricate tumors.
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Affiliation(s)
- Cosima C Hoch
- Department of Otolaryngology, Head and Neck Surgery, School of Medicine and Health, Technical University of Munich (TUM), Ismaningerstrasse 22, 81675, Munich, Germany
| | - Leonard Knoedler
- Department of Surgery, Division of Plastic Surgery, Yale School of Medicine, New Haven, CT, USA
- Division of Plastic and Reconstructive Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Samuel Knoedler
- Institute of Regenerative Biology and Medicine, Helmholtz Zentrum Munich, Munich, Germany
| | - Ali Bashiri Dezfouli
- Department of Otolaryngology, Head and Neck Surgery, School of Medicine and Health, Technical University of Munich (TUM), Ismaningerstrasse 22, 81675, Munich, Germany
- Central Institute for Translational Cancer Research, Technical University of Munich (TranslaTUM), Department of Radiation Oncology, Klinikum rechts der Isar, Munich, Germany
| | - Benedikt Schmidl
- Department of Otolaryngology, Head and Neck Surgery, School of Medicine and Health, Technical University of Munich (TUM), Ismaningerstrasse 22, 81675, Munich, Germany
| | - Anskar Trill
- Department of Otolaryngology, Head and Neck Surgery, School of Medicine and Health, Technical University of Munich (TUM), Ismaningerstrasse 22, 81675, Munich, Germany
- Central Institute for Translational Cancer Research, Technical University of Munich (TranslaTUM), Department of Radiation Oncology, Klinikum rechts der Isar, Munich, Germany
| | - Jennifer E Douglas
- Department of Otorhinolaryngology, Head and Neck Surgery, University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA, USA
| | - Nithin D Adappa
- Department of Otorhinolaryngology, Head and Neck Surgery, University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA, USA
| | - Fabian Stögbauer
- Institute of Pathology, School of Medicine and Health, Technical University of Munich (TUM), Munich, Germany
| | - Barbara Wollenberg
- Department of Otolaryngology, Head and Neck Surgery, School of Medicine and Health, Technical University of Munich (TUM), Ismaningerstrasse 22, 81675, Munich, Germany.
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Almohsen SS, Demicco EG. Spindle Cell Tumors of the Sinonasal Tract: A Diagnostic Update with Focus on Ancillary Workup. Head Neck Pathol 2024; 18:8. [PMID: 38363429 PMCID: PMC10873262 DOI: 10.1007/s12105-023-01605-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Accepted: 12/14/2023] [Indexed: 02/17/2024]
Abstract
Spindle cell neoplasms arising in the head and neck may be challenging to recognize due to their relative rarity. While underlying molecular alterations are increasingly elucidated, testing for these features may not be readily available. In most cases, combinations of key morphologic features and diagnostic immunohistochemical markers can be used to replace molecular diagnostics. Conversely, some molecular alterations and expression of their surrogate biomarkers are not specific for any one entity, and it is important to recognize these to avoid diagnostic pitfalls. In this review, we discuss both old and new spindle cell tumors of the sinonasal tract, with an emphasis on histologic features and clinically relevant immunohistochemical markers serving as surrogate markers for underlying genomic alterations.
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Affiliation(s)
- Shahd S Almohsen
- Department of Pathology and Laboratory Medicine, Mount Sinai Hospital and Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada
| | - Elizabeth G Demicco
- Department of Pathology and Laboratory Medicine, Mount Sinai Hospital and Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada.
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Skálová A, Bradová M, Michal M, Mosaieby E, Klubíčková N, Vaněček T, Leivo I. Molecular pathology in diagnosis and prognostication of head and neck tumors. Virchows Arch 2024; 484:215-231. [PMID: 38217715 PMCID: PMC10948559 DOI: 10.1007/s00428-023-03731-2] [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: 10/17/2023] [Revised: 12/26/2023] [Accepted: 12/28/2023] [Indexed: 01/15/2024]
Abstract
Classification of head and neck tumors has evolved in recent decades including a widespread application of molecular testing in tumors of the salivary glands, sinonasal tract, oropharynx, nasopharynx, and soft tissue. Availability of new molecular techniques allowed for the definition of multiple novel tumor types unique to head and neck sites. Moreover, the expanding spectrum of immunohistochemical markers facilitates a rapid identification of diagnostic molecular abnormalities. As such, it is currently possible for head and neck pathologists to benefit from a molecularly defined classifications, while making diagnoses that are still based largely on histopathology and immunohistochemistry. This review highlights some principal molecular alterations in head and neck neoplasms presently available to assist pathologists in the practice of diagnosis, prognostication and prediction of response to treatment.
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Affiliation(s)
- Alena Skálová
- Sikl's Department of Pathology, Faculty of Medicine in Pilsen, Charles University, E. Benese 13, 305 99, Pilsen, Czech Republic.
- Bioptic Laboratory, Ltd, Pilsen, Czech Republic.
| | - Martina Bradová
- Sikl's Department of Pathology, Faculty of Medicine in Pilsen, Charles University, E. Benese 13, 305 99, Pilsen, Czech Republic
- Bioptic Laboratory, Ltd, Pilsen, Czech Republic
| | - Michael Michal
- Sikl's Department of Pathology, Faculty of Medicine in Pilsen, Charles University, E. Benese 13, 305 99, Pilsen, Czech Republic
- Bioptic Laboratory, Ltd, Pilsen, Czech Republic
| | - Elaheh Mosaieby
- Molecular and Genetic Laboratory, Bioptic Laboratory, Ltd, Pilsen, Czech Republic
| | - Natálie Klubíčková
- Sikl's Department of Pathology, Faculty of Medicine in Pilsen, Charles University, E. Benese 13, 305 99, Pilsen, Czech Republic
- Bioptic Laboratory, Ltd, Pilsen, Czech Republic
| | - Tomáš Vaněček
- Molecular and Genetic Laboratory, Bioptic Laboratory, Ltd, Pilsen, Czech Republic
| | - Ilmo Leivo
- Institute of Biomedicine, Pathology, University of Turku and Department of Pathology, Turku University Hospital, Turku, Finland
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Anastasiadou S, Karkos P, Constantinidis J. Biphenotypic Sinonasal Sarcoma with Orbital and Skull Base Involvement Report of 3 Cases and Systematic Review of the Literature. Indian J Otolaryngol Head Neck Surg 2023; 75:3353-3363. [PMID: 38027532 PMCID: PMC10645932 DOI: 10.1007/s12070-023-03900-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Accepted: 05/25/2023] [Indexed: 12/01/2023] Open
Abstract
Biphenotypic sinonasal sarcoma (BSNS) is a rare malignant tumour of the upper nasal cavity and ethmoid sinuses that presents predominantly in middle aged female patients and show a characteristic infiltrative and hypercellular proliferation of spindle cells that demonstrate a specific immunoreactivity. We present three cases with BSNS that had different presenting complaints, either sinonasal or orbital problems, underwent endoscopic surgical treatment and/or radiotherapy and have been disease free on long follow up. A systematic review of all published cases was performed to identify all BSNS cases known at present. BSNS requires prompt and correct diagnosis with accurate surgical resection as well as consideration of radiotherapy. Our three cases confirm the findings of the literature and support that BSNS is an aggressive but treatable malignant disease of the sinonasal tract.
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Affiliation(s)
- Sofia Anastasiadou
- Department of Ear Nose and Throat Surgery, ACHEPA Hospital, Thessaloniki, Greece
- Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Peter Karkos
- Department of Ear Nose and Throat Surgery, ACHEPA Hospital, Thessaloniki, Greece
- Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Jannis Constantinidis
- Department of Ear Nose and Throat Surgery, ACHEPA Hospital, Thessaloniki, Greece
- Aristotle University of Thessaloniki, Thessaloniki, Greece
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Muraoka E, Kato I, Matsumura M, Arai Y, Suenaga J, Yamanaka S, Fujii S. Biphenotypic Sinonasal Sarcoma: A Genetically Confirmed Case Showing Bone Invasion Accompanying a Non-neoplastic Respiratory Epithelium. Int J Surg Pathol 2023; 31:1414-1419. [PMID: 36802923 DOI: 10.1177/10668969231152577] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/22/2023]
Abstract
Biphenotypic sinonasal sarcoma is a newly established tumor entity that is associated with distinct clinicopathological findings. Biphenotypic sinonasal sarcoma is a rare, low-grade spindle cell sarcoma that arises in middle-aged females, exclusively in the sinonasal tract. A fusion gene involving PAX3 is detected in most biphenotypic sinonasal sarcomas, which aids in its diagnosis. Here, we report a case of biphenotypic sinonasal sarcoma with its cytological findings. The patient was a 73-year-old woman who presented with purulent nasal discharge and dull pain in the left cheek area. Computed tomography showed a mass extending from the left nasal cavity to the left ethmoid sinus, the left frontal sinus, and the frontal skull base. She underwent a combined transcranial and endoscopic approach for en bloc resection with a safety margin. Histologically, spindle-shaped tumor cells have been thought to proliferate mainly in the subepithelial stroma. Here, nasal mucosal epithelial hyperplasia was noted, and the tumor had invaded the bone tissue accompanying the epithelial cells. Fluorescence in situ hybridization (FISH) analysis showed a PAX3 rearrangement, and next-generation sequencing identified a PAX3::MAML3 fusion. Based on FISH, split signals were observed not in respiratory cells but in stromal cells. This indicated that respiratory cells were non-neoplastic. In the diagnosis of biphenotypic sinonasal sarcoma, the inverted growth of the respiratory epithelium can be a diagnostic pitfall. FISH analysis using a PAX3 break-apart probe is helpful not only for an accurate diagnosis but also for detecting the true neoplastic cells.
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Affiliation(s)
- Erika Muraoka
- Department of Diagnostic Pathology, Yokohama City University Hospital, Yokohama, Japan
- Department of Molecular Pathology, Yokohama City University, Graduate School of Medicine, Yokohama, Japan
| | - Ikuma Kato
- Department of Molecular Pathology, Yokohama City University, Graduate School of Medicine, Yokohama, Japan
| | - Mai Matsumura
- Department of Pathology, Yokohama City University, Graduate School of Medicine, Yokohama, Japan
| | - Yasuhiro Arai
- Department of Otolaryngology, Head and Neck Surgery, Yokohama City University Hospital, Yokohama, Japan
| | - Jun Suenaga
- Department of Neurosurgery, Yokohama City University Hospital, Yokohama, Japan
| | - Shoji Yamanaka
- Department of Diagnostic Pathology, Yokohama City University Hospital, Yokohama, Japan
| | - Satoshi Fujii
- Department of Diagnostic Pathology, Yokohama City University Hospital, Yokohama, Japan
- Department of Molecular Pathology, Yokohama City University, Graduate School of Medicine, Yokohama, Japan
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Bhele S, Chrisinger JSA, Farrell NF, Van Tine BA, Raptis CA, Chernock RD. Biphenotypic Sinonasal Sarcoma with a Novel PAX7::PPARGC1 Fusion: Expanding the Spectrum of Gene Fusions Beyond the PAX3 Gene. Head Neck Pathol 2023; 17:826-831. [PMID: 37378830 PMCID: PMC10513966 DOI: 10.1007/s12105-023-01566-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/20/2023] [Accepted: 06/11/2023] [Indexed: 06/29/2023]
Abstract
Biphenotypic sinonasal sarcoma (BSNS) is a rare low-grade malignancy occurring in the sinonasal tract that is characterized by dual neural and myogenic differentiation. Rearrangements involving the PAX3 gene, usually with MAML3, are a hallmark of this tumor type and their identification are useful for diagnosis. Rarely, a MAML3 rearrangement without associated PAX3 rearrangement has been described. Other gene fusions have not been previously reported. Herein, we report a 22 year-old woman with a BSNS harboring a novel gene fusion involving the PAX7 gene (specifically PAX7::PPARGC1A), which is a paralogue of PAX3. The histologic features of the tumor were typical with two exceptions: a lack of entrapment of surface respiratory mucosa and no hemangiopericytoma-like vasculature. Immunophenotypically, the tumor was notably negative for smooth muscle actin, which is usually positive in BSNS. However, the classic S100 protein-positive, SOX10-negative staining pattern was present. In addition, the tumor was positive for desmin and MyoD1 but negative for myogenin, a pattern that is common among BSNS with variant fusions. Awareness of the possibility of PAX7 gene fusions in BSNS is important as it may aid in the diagnosis of PAX3 fusion negative tumors.
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Affiliation(s)
- Sanica Bhele
- Department of Pathology and Immunology, Washington University School of Medicine, 660 S. Euclid Ave, Campus Box 8118, St. Louis, MO, 63110, USA
| | - John S A Chrisinger
- Department of Pathology and Immunology, Washington University School of Medicine, 660 S. Euclid Ave, Campus Box 8118, St. Louis, MO, 63110, USA
| | - Nyssa Fox Farrell
- Department of Otolaryngology-Head and Neck Surgery, Washington University School of Medicine, MO, St. Louis, USA
| | - Brian A Van Tine
- Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA
- Department of Pediatrics, Washington University in St. Louis, MO, St. Louis, USA
- Siteman Cancer Center, Washington University in St. Louis, MO, St. Louis, USA
| | - Constantine A Raptis
- Mallinckrodt Institute of Radiology, Washington University School of Medicine, St. Louis, MO, USA
| | - Rebecca D Chernock
- Department of Pathology and Immunology, Washington University School of Medicine, 660 S. Euclid Ave, Campus Box 8118, St. Louis, MO, 63110, USA.
- Department of Otolaryngology-Head and Neck Surgery, Washington University School of Medicine, MO, St. Louis, USA.
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Biphenotypic sinonasal sarcoma with PAX3::MAML3 fusion transforming into high-grade rhabdomyosarcoma: report of an emerging rare phenomenon. Virchows Arch 2023; 482:777-782. [PMID: 36719455 PMCID: PMC10067655 DOI: 10.1007/s00428-023-03501-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Revised: 01/24/2023] [Accepted: 01/25/2023] [Indexed: 02/01/2023]
Abstract
We report a case of a 67-year-old male patient with a sinonasal tumor that showed areas of classic biphenotypic sinonasal sarcoma (BSNS) which in some sections sharply transitioned into high-grade rhabdomyosarcoma. Immunohistochemically, the conventional BSNS parts showed S100 protein, SMA, PAX7, and focal MyoD1 expression, whereas desmin and myogenin were negative. In contrast, the cells in high-grade areas expressed desmin, MyoD1, myogenin, and PAX7, while being negative for S100 protein and SMA. Using the Archer FusionPlex assay, the classical PAX3::MAML3 gene fusion was detected. FISH for PAX3 and MAML3 confirmed a break of these genes in both components. Despite aggressive therapy, the tumor progression resulted in the patient's death. The herein presented case, together with 2 previously published cases of BSNS with high-grade transformation, helps to better understand this novel phenomenon. Although the risk for such transformation appears low, it has important clinical and diagnostic implications which are discussed.
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