title: Hemichorea due to small deep nonhemorrhagic cerebrovascular lesion.
abstract: Two patients with sudden onset of hemichorea were found by CT to have nonhemorrhagic cerebrovascular lesions involving the basal ganglia with sparing of the internal capsule. These lesions were not detected by other neurodiagnostic studies.
mesh_terms: D000328:Adult; D002561:Cerebrovascular Disorders / Q000150:complications / Q000000981:diagnostic imaging*; D002819:Chorea / Q000000981:diagnostic imaging* / Q000209:etiology; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D014057:Tomography, X-Ray Computed