title: Placental teratoma.
abstract: A case of placental teratoma is presented. This is a rare tumor of disputed histogenesis. Some regard it as a separate entity while others believe it represents the extreme of a fetus amorphus. The tumor is benign and of no clinical significance.
mesh_terms: D000328:Adult; D005260:Female; D005333:Fetus / Q000473:pathology; D006801:Humans; D010922:Placenta Diseases / Q000473:pathology*; D011247:Pregnancy; D013724:Teratoma / Q000473:pathology*