title: Ependymal cyst of the ovary. A case report.
abstract: An unusual morphological variant of a mature cystic teratoma was found at caesarean section in a 23-year-old patient; it appeared as a thin-walled cyst containing clear fluid. Microscopy showed the cyst to be lined by ependyma and the wall to be composed of glial tissue with a small protuberance containing squamous epithelium, adipose tissue and bone.
mesh_terms: D000328:Adult; D003884:Dermoid Cyst / Q000473:pathology*; D005260:Female; D006801:Humans; D010051:Ovarian Neoplasms / Q000473:pathology*; D011247:Pregnancy; D011252:Pregnancy Complications, Neoplastic / Q000473:pathology*