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KMID : 1235520120110040142
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Research in Vestibular Science
2012 Volume.11 No. 4 p.142 ~ p.145
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Pseudo-Vestibular Neuritis Caused by a Vascular Tumor Involving the Anterior Inferior Cerebellum
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Lee Se-Young
Lee Seung-Han
Park Eun-Seon
Yoo Deok-Sang
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Abstract
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Acute vestibular syndrome (AVS) is characterized by the rapid onset of dizziness/ vertigo accompanied by nausea/vomiting, gait unsteadiness, and nystagmus lasting a day or more. Some patients with AVS have potentially dangerous central etiologies. AVS caused by central etiologies without significant other neurologic deficit, so called pseudo-vestibular neuritis (pseudo-VN), could be difficult to be differentiated from acute vestibular neuritis. In addition to imaging studies, bedside oculomotor examination-head impulse test, nystagmus and test of skew)-is essential to identify patients with pseudo-VN. Among several central causes of AVS, brain tumor is extremely rare. We report a case of vascular tumor involving the anterior inferior cerebellum with AVS presentations.
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KEYWORD
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Acute peripheral vestibulopathy, Central origin vertigo, Pathologic nystagmus, Head impulse test
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