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KMID : 1001920090460030269
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Journal of Korean Neurosurgical Society
2009 Volume.46 No. 3 p.269 ~ p.272
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Hemifacial Spasm Caused by a Huge Tentorial Meningioma
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Park Hun
Hwang Sun-Chul
Kim Bum-Tae
Shin Won-Han
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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.
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KEYWORD
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Hemifacial spasm, Posterior fossa tumor, Meningioma
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