title: Cerebral atrophy in parkinsonism.
mesh_terms: D000368:Aged; D001284:Atrophy / Q000209:etiology; D001927:Brain Diseases / Q000209:etiology*; D002540:Cerebral Cortex / Q000000981:diagnostic imaging; D014695:Cerebral Ventriculography; D004558:Electric Stimulation; D006801:Humans; D008875:Middle Aged; D010300:Parkinson Disease / Q000150:complications* / Q000000981:diagnostic imaging / Q000601:surgery; D013238:Stereotaxic Techniques