title: Osteogenic sarcoma arising in an old burn scar.
abstract: An osteogenic sarcoma arising in an old burn scar on the right thigh of a 70-year-old woman is described. Salient features of this rare cutaneous tumor were: a large pinkish exophytic mass, spindle and oval cells, multiple foci or osteoid formation, atypical osteoblasts and multinucleated giant cells.
mesh_terms: D000368:Aged; D002056:Burns / Q000150:complications* / Q000473:pathology; D002921:Cicatrix / Q000150:complications* / Q000473:pathology; D006801:Humans; D012516:Osteosarcoma / Q000209:etiology* / Q000473:pathology; D011230:Precancerous Conditions; D012867:Skin / Q000473:pathology; D012878:Skin Neoplasms / Q000209:etiology* / Q000473:pathology