title: Teratoma in the fourth ventricle of an elderly adult--case report.
mesh_terms: D002551:Cerebral Ventricle Neoplasms / Q000000981:diagnostic imaging / Q000601:surgery*; D006801:Humans; D008297:Male; D008875:Middle Aged; D013724:Teratoma / Q000000981:diagnostic imaging / Q000601:surgery*; D014057:Tomography, X-Ray Computed