Dermatofibrosarcoma protuberans
Medical condition / From Wikipedia, the free encyclopedia
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Dermatofibrosarcoma protuberans (DFSP)[2] is a rare locally aggressive malignant cutaneous soft-tissue sarcoma. DFSP develops in the connective tissue cells in the middle layer of the skin (dermis).[3] Estimates of the overall occurrence of DFSP in the United States are 0.8 to 4.5 cases per million persons per year.[4][5] In the United States, DFSP accounts for between 1 and 6 percent of all soft-tissue sarcomas[6] and 18 percent of all cutaneous soft-tissue sarcomas. In the Surveillance, Epidemiology and End Results (SEER) tumor registry from 1992 through 2004, DFSP was second only to Kaposi sarcoma.