No shinkei geka. Neurological surgery
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No Shinkei Geka
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Review Case Reports
[Hemifacial spasm caused by a dissecting aneurysm of the vertebral artery, and resulting in acute exacerbation].
The authors report a rare case of a symptomatic hemifacial spasm caused by a dissecting vertebral artery aneurysm and by an anterior inferior cerebellar artery(AICA). A 54-year-old man presented with left hemifacial spasm persisting for 5 years, and the spasm had undergone acute aggravation. ⋯ Microvascular decompression of the facial nerve with proximal clipping of the vertebral artery dissecting aneurysm was successfully performed. The hemifacial spasm disappeared immediately after the surgery.