Symptomatic subependymoma.
D000368:Aged; D001254:Astrocytoma / Q000150:complications / Q000473:pathology / Q000601:surgery*; D002551:Cerebral Ventricle Neoplasms / Q000150:complications / Q000473:pathology / Q000601:surgery*; D006801:Humans; D008297:Male; D010302:Parkinson Disease, Secondary / Q000150:complications*