Hemifacial spasm secondary to vascular compression of the facial nerve.
D000328:Adult; D000368:Aged; D000792:Angiography; D001488:Basilar Artery / Q000000981:diagnostic imaging; D005154:Facial Nerve / Q000601:surgery; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009408:Nerve Compression Syndromes / Q000150:complications* / Q000209:etiology / Q000601:surgery; D013981:Tic Disorders / Q000175:diagnosis / Q000209:etiology* / Q000628:therapy; D014652:Vascular Diseases / Q000150:complications* / Q000000981:diagnostic imaging / Q000601:surgery; D014711:Vertebral Artery / Q000000981:diagnostic imaging