title: Intracranial malignant teratoma.
abstract: A case of malignant teratoma arising near the third ventricle in an adult is reported. It represented a true teratoma containing elements of all three germ layers of which two, namely the mesenchymal and endodermal elements have undergone malignant change. It was characterized by rapid recurrences after two operations with death occurring shortly after the second operation.
mesh_terms: D000328:Adult; D001932:Brain Neoplasms / Q000000981:diagnostic imaging / Q000473:pathology* / Q000532:radiotherapy / Q000601:surgery; D003131:Combined Modality Therapy; D006801:Humans; D008297:Male; D009364:Neoplasm Recurrence, Local; D013724:Teratoma / Q000000981:diagnostic imaging / Q000473:pathology* / Q000532:radiotherapy / Q000601:surgery; D014057:Tomography, X-Ray Computed