Epithelioid sarcoma:radiologic and pathologic manifestations.

The radiologic and pathologic manifestations of epithelioid sarcoma are presented based on an analysis of five cases, and the literature is reviewed. This rare entity tends to orginate in the extremities and metastasizes primarily via the lymphatics. Although the lesion grows slowly, it recurs with high frequency. Males are affected three times as often as females. The differential diagnosis includes both malignant and benign entities. The natural history and methods of treatment are reported.