| Entry |
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| Name |
Extraskeletal myxoid chondrosarcoma |
| Supergrp |
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| Description |
Extraskeletal myxoid chondrosarcoma (EMC) is a unique, rare soft-tissue tumor with prominent myxoid morphology. The tumor most commonly develops in deep parts of the proximal extremities and limb girdles in middle-aged adults, and there is a predilection for male patients. Currently, a chromosomal translocation t(9;22)(q22;q12) and the resultant fusion gene, EWSR1-NR4A3, has been defined in approximately 75% of EMC. More recently, another fusion gene, TAF15-NR4A3, resulting from t(9;17)(q22;q11.2), has been identified. The abnormal proteins resulting from these fusion genes aberrantly affect gene transcription and cellular signaling pathways thought to be responsible for initiating sarcoma formation.
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| Category |
Cancer
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| Brite |
Human diseases in ICD-11 classification [BR:br08403]
02 Neoplasms
Malignant neoplasms, except primary neoplasms of lymphoid, haematopoietic, central nervous system or related tissues
Malignant neoplasms, stated or presumed to be primary, of specified sites, except of lymphoid, haematopoietic, central nervous system or related tissues
Malignant mesenchymal neoplasms
2B50 Chondrosarcoma, primary site
H00053 Extraskeletal myxoid chondrosarcoma
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| Gene |
EWSR1-NR4A3 (translocation) [HSA: 8013] [KO: K08559]
TAF15-NR4A3 (translocation) [HSA: 8148] [KO: K14651]
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| Other DBs |
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| Reference |
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| Authors |
Kawaguchi S, Wada T, Nagoya S, Ikeda T, Isu K, Yamashiro K, Kawai A, Ishii T, Araki N, Myoui A, Matsumoto S, Umeda T, Yoshikawa H, Hasegawa T |
| Title |
Extraskeletal myxoid chondrosarcoma: a Multi-Institutional Study of 42 Cases in Japan. |
| Journal |
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| Reference |
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| Authors |
Letson GD, Muro-Cacho CA. |
| Title |
Genetic and molecular abnormalities in tumors of the bone and soft tissues. |
| Journal |
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| Reference |
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| Authors |
Helman LJ, Meltzer P. |
| Title |
Mechanisms of sarcoma development. |
| Journal |
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| Reference |
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| Authors |
Fisher C. |
| Title |
Current aspects of the pathology of soft tissue sarcomas. |
| Journal |
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| Reference |
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| Authors |
Okamoto S, Hisaoka M, Ishida T, Imamura T, Kanda H, Shimajiri S, Hashimoto H. |
| Title |
Extraskeletal myxoid chondrosarcoma: a clinicopathologic, immunohistochemical, and molecular analysis of 18 cases. |
| Journal |
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| Reference |
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| Authors |
Oliveira AM, Sebo TJ, McGrory JE, Gaffey TA, Rock MG, Nascimento AG. |
| Title |
Extraskeletal myxoid chondrosarcoma: a clinicopathologic, immunohistochemical, and ploidy analysis of 23 cases. |
| Journal |
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| Reference |
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| Authors |
Panagopoulos I, Mencinger M, Dietrich CU, Bjerkehagen B, Saeter G, Mertens F, Mandahl N, Heim S |
| Title |
Fusion of the RBP56 and CHN genes in extraskeletal myxoid chondrosarcomas with translocation t(9;17)(q22;q11). |
| Journal |
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