| Hemifacial Spasm Caused by a Huge Tentorial Meningioma. |
| Hun Park, Sun Chul Hwang, Bum Tae Kim, Won Han Shin |
| Department of Neurosurgery, Soonchunhyang University College of Medicine, Bucheon Hospital, Bucheon, Korea. sunchulh@sch.ac.kr |
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| ABSTRACT |
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A rare case of hemifacial spasm caused by an ipsilateral tentorial meningioma is described. Magnetic resonance imaging showed a huge tumor in the right cerebellar hemisphere, distant to the cerebello-pontine cistern. The facial-vestibulocochlear nerve complex was stretched by the shift of the brainstem and the right cerebello-pontine cistern was effaced. After removing the tumor, the hemifacial spasm resolved completely. We review our case with the pertinent literature regarding the etiological mechanism. |
| Key Words:
Hemifacial spasm; Posterior fossa tumor; Meningioma |
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