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The Korean Journal of Pathology 1982;16(4): 852-855.
건과 건막의 clear cell sarcoma -2예 보고-
Two Cases of Clear Cell Sarcoma of Tendons and Aponeuroses
Malignant tumors arising from tendons are rare. Among those reported most knave been interpreted as synovial sarcoma or fibrosarcoma until Enzinger in 1965 described a new type which he called "Clear cell sarcoma of tendons and aponeuroses. Enzinger used the term as a descriptive term for a clinicopathologic entity to reflect the uncertainty of histogensis. Thereafter the tumor histogenesis was confirmed by electron microscopy as synovial and mela no cytic origin. Moat of the tumor were located in the lower extremities, the feet being the most common site. The tumor rarely causes pain and exceptionally long preoperative duration of symptoms but relentless progression with frequent local recurrence and eventually-metastases to regional lymph notre and lung. This tumor is roughly spherical, firm, usually well-defined and consists of compact nest and fascicles of pale-staining round or fusiform cells of epithelioid appearance. The cellular aggregates are enclosed or delicate fibrous septa emerging with tendinous or aponeurotic tissue. We experienced two cased of clear cell sarcoma of tendons and aponeuroses of foot in a 50-year-old woman and knee in a 37-year-old man. Those cases are presented because of their rarity. Histopathologic findings and a brief review of the literature were done.