title: Osteosarcoma arising in a mature cystic teratoma of the ovary.
abstract: A 80-year old woman was found to have an osteosarcoma arising within a mature cystic teratoma of the ovary. To the Author's knowledge, this is the fourth reported case of osteosarcoma arising within a teratoma.
authors.affiliation: Division of Radiotherapy and Oncology, Regional Cancer Centre, Trivandrum, Kerala, India. rcctvm@md2.vsnl.net.in
authors.forename: T V
authors.initials: TV
authors.lastname: Ajithkumar
authors.forename: E K
authors.initials: EK
authors.lastname: Abraham
authors.forename: M K
authors.initials: MK
authors.lastname: Nair
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D017809:Fatal Outcome; D005260:Female; D006801:Humans; D016609:Neoplasms, Second Primary / Q000473:pathology* / Q000601:surgery; D012516:Osteosarcoma / Q000473:pathology* / Q000601:surgery; D010051:Ovarian Neoplasms / Q000473:pathology* / Q000601:surgery; D013724:Teratoma / Q000473:pathology* / Q000601:surgery