Abstract
The authors report a rare case of left cerebellopontine angle arachnoid cyst in a 38 year old man presenting with hemifacial spasm. Decompression of the cyst was followed by a total recovery from hemifacial spasm. Various space occupying lesions in the cerebellopontine angle have been reported to be associated with hemifacial spasm. The most common cause of hemifacial pasm observed is vascular compression of facial nerve. However, arachnoid cyst at the cerebellopontine angle is a very rare cause of hemifacial spasm.
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Nayak, A., Mohanty, S. Hemifacial spasm caused by arachnoid cyst. Indian J Otolaryngol 42, 171–172 (1990). https://doi.org/10.1007/BF02994930
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DOI: https://doi.org/10.1007/BF02994930