Dermatofibrosarcoma protuberans (DFSP) is a rare invasive cutaneous tumor of intermediate malignancy with a tendency for local recurrence but little metastatic potential. The tumor tends to invade deep surrounding local structures, such as subcutaneous tissue, muscle and, exceptionally, bone. 1DFSP presents as a firm, solitary lesion adhered to the overlying skin but movable over deep underlying tissues; it preferentially affects the trunk of young adults. 2,3 Histopathologically, DFSP appears as a poorly circumscribed tumor characterized by diffuse involvement of the entire dermis and a dense proliferation of spindle-shaped monomorphous cells with elongated nuclei and scant cytoplasm. 4 The fact that tumor growth is often
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