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Clear cell sarcoma of soft tissue
Pronunciation
Definition 1
A soft tissue tumor that begins in a tendon (tough, fibrous, cord-like tissue that connects muscle to bone or to another structure). Clear cell sarcoma of soft tissue has certain markers that are also found on malignant melanoma (a type of skin cancer). It usually occurs in the leg or arm. Also called malignant melanoma of soft parts. (NCI Dictionary)
Definition 2
A rare malignant neoplasm with melanocytic differentiation characterized by the presence of polygonal or spindle shaped clear cells. This sarcoma usually affects the tendons and aponeuroses and is associated with a poor prognosis due to recurrences and metastases. (NCI Thesaurus)
Definition 3
A soft tissue tumor of young adults with melanocytic differentiation, typically involving tendons and aponeuroses. There is a recurrent cytogenetic aberration: t(12;22)(q13;q12). (NCI Thesaurus)