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KMID : 0357919820160040852
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Korean Journal of Pathology
1982 Volume.16 No. 4 p.852 ~ p.855
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Two Cases of Clear Cell Sarcoma of Tendons and Aponeuroses
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Abstract
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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.
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