title: Extraosseous osteogenic sarcoma of the parotid gland.
abstract: The first reported case of an extraosseous osteogenic carcinoma of the parotid gland is presented. The head and neck region is an unusual site for these unusual neoplasms, with approximately 5 per cent of all extraosseous osteogenic sarcomas originating in the soft tissues of the face and neck. The neoplasms may arise after a latent period following radiation therapy. The majority, however, arise de novo. As a group, extraosseous osteogenic sarcomas are very aggressive and lethal neoplasms with an average 5-year survival of 15.6 per cent (Rao et al., 1978).
authors.forename: J T
authors.initials: JT
authors.lastname: Manning
authors.forename: A K
authors.initials: AK
authors.lastname: Raymond
authors.forename: J G
authors.initials: JG
authors.lastname: Batsakis
mesh_terms: D000368:Aged; D006801:Humans; D008297:Male; D012516:Osteosarcoma / Q000473:pathology*; D010307:Parotid Neoplasms / Q000473:pathology*