Expanding the Spectrum of EWSR1::CREM Fusion Tumors: An Unusual Pediatric Intranasal Myxoid Tumor

EWSR1::CREM gene fusions are increasingly being recognized in a diverse number of soft tissue tumors, including well-defined entities such as angiomatoid fibrous histiocytoma or clear cell sarcoma, and other unclassifiable tumors. As a group, EWSR1::CREM fused tumors often demonstrate primitive spin...

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Veröffentlicht in:Pediatric and developmental pathology 2024-01, Vol.27 (1), p.90-95
Hauptverfasser: Koh, Shamen, Punjabi, Lavisha S., Chang, Kenneth Tou En, Wei Yang Teo, Neville, Ee Hoon Teo, Constance, Soh, Shui Yen, Kun Kiaang Tan, Henry
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container_end_page 95
container_issue 1
container_start_page 90
container_title Pediatric and developmental pathology
container_volume 27
creator Koh, Shamen
Punjabi, Lavisha S.
Chang, Kenneth Tou En
Wei Yang Teo, Neville
Ee Hoon Teo, Constance
Soh, Shui Yen
Kun Kiaang Tan, Henry
description EWSR1::CREM gene fusions are increasingly being recognized in a diverse number of soft tissue tumors, including well-defined entities such as angiomatoid fibrous histiocytoma or clear cell sarcoma, and other unclassifiable tumors. As a group, EWSR1::CREM fused tumors often demonstrate primitive spindle or epithelioid cells, myxoid stroma, and a broad immunophenotype. Herein we present an unusual case of a child diagnosed with an intranasal malignant myxoid tumor harboring an EWSR1::CREM gene fusion. To the best of our knowledge, this is the first case of intranasal myxoid tumor with this particular fusion. Diagnosis and management of the case is discussed.
doi_str_mv 10.1177/10935266231199931
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subjects Biomarkers, Tumor - genetics
Child
Cyclic AMP Response Element Modulator - genetics
Gene Fusion
Histiocytoma, Malignant Fibrous - genetics
Humans
Oncogene Proteins, Fusion - genetics
RNA-Binding Protein EWS - genetics
Sarcoma, Clear Cell
Soft Tissue Neoplasms - diagnosis
Soft Tissue Neoplasms - genetics
Soft Tissue Neoplasms - pathology
title Expanding the Spectrum of EWSR1::CREM Fusion Tumors: An Unusual Pediatric Intranasal Myxoid Tumor
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