title: [Adenosquamous carcinoma arising in a dermoid cyst (benign cystic teratoma) of the ovary--a case report].
abstract: An 89-year-old woman with adenosquamous carcinoma arising in a dermoid cyst (benign cystic teratoma) of the ovary is reported. The malignant change of a dermoid cyst is rare. To our knowledge, this is the first report case of an adenosquamous carcinoma arising in a dermoid cyst of the ovary. Moreover, this case is the oldest patient on record. It is important that dermoid cyst be examined carefully.
mesh_terms: D000230:Adenocarcinoma / Q000473:pathology*; D000368:Aged; D002294:Carcinoma, Squamous Cell / Q000473:pathology*; D003884:Dermoid Cyst / Q000473:pathology*; D005260:Female; D006801:Humans; D009378:Neoplasms, Multiple Primary / Q000473:pathology*; D010051:Ovarian Neoplasms / Q000473:pathology*