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Clear cell sarcoma of tendons and aponeuroses, and osteoclast-rich tumour of the gastrointestinal tract with features resembling clear cell sarcoma of soft parts: a review and update

2010; BMJ; Volume: 63; Issue: 5 Linguagem: Inglês

10.1136/jcp.2008.057471

1472-4146

Kemal Kösemehmetoğlu, Andrew L. Folpe,

Vascular Malformations and Hemangiomas

Clear cell sarcoma (CCS) is a rare, distinctive soft tissue neoplasm, typically occurring in the distal extremities of young adult patients. Although CCS shows melanocytic differentiation, it is now clear that it is clinicopathologically and genetically distinct from conventional malignant melanoma. The ‘osteoclast-rich tumour of the gastrointestinal tract with features resembling clear cell sarcoma of soft parts’ is an extraordinarily rare gastrointestinal neoplasm that shares some features of CCS, but differs from it in other ways. The historical, histopathological, ultrastructural, immunohistochemical and genetic aspects of these two tumours are reviewed in this article.