Primary cutaneous extraskeletal osteosarcoma under a previous electrodessicated actinic keratosis.

Santos-Juanes, Jorge; Galache, C; Miralles, M; Curto, J R; Sánchez del Río, J; Soto, J · J Am Acad Dermatol · 2004

case_report · Level V

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Abstract

Extraskeletal osteosarcoma represents approximately 1% of soft tissue sarcomas and approximately 4% of all osteosarcomas. It is therefore much rarer than osteosarcoma arising primarily in bone. Skin as a primary site has seldom been reported. This report describes an extraskeletal osteosarcoma of the skin under a previously electrodessicated actinic keratosis.

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