Etiology and definitive microsurgical treatment of hemifacial spasm
- 1 September 1977
- journal article
- research article
- Published by Journal of Neurosurgery Publishing Group (JNSPG) in Journal of Neurosurgery
- Vol. 47 (3), 321-328
- https://doi.org/10.3171/jns.1977.47.3.0321
Abstract
The clinical and operative findings are reviewed in 47 patients with intractable hemifacial spasm. The syndrome was classical in its features in 45 patients and atypical in 2. Mechanical compression distortion of the root exit zone of the facial nerve was noted in all 47 patients. In 46 the abnormality was vascular cross-compression, usually by an arterial loop. In 1 patient a small cholesteatoma was discovered and removed. Morbidity and postoperative results were discussed.Keywords
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