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Dermatofibrosarcoma protuberans metastatic to a regional lymph node. Report of a case and review

A case of dermatofibrosarcoma protuberans of the lower extremity with metastasis to an inguinal lymph node appearing 5 years after wide excision and skin grafting of the primary lesion is presented. The world literature is reviewed. This case is the 24th instance of metastasis and the 7th case of lymphatic metastasis. The other 17 cases were hematogenous metastases. The clinical and pathologic features of dermatofibrosarcoma protuberans are reviewed, and treatment is discussed, with the aim of emphasizing the need for long‐term followup examination of the regional lymph nodes following wide and deep local excision.