Spasmodic torticollis and neurovascular compression.
D000055:Accessory Nerve; D003251:Constriction, Pathologic / Q000150:complications; D006801:Humans; D008297:Male; D008875:Middle Aged; D009408:Nerve Compression Syndromes / Q000150:complications*; D013035:Spasm / Q000209:etiology; D014103:Torticollis / Q000209:etiology*; D014711:Vertebral Artery