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KMID : 0361020140570080552
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Korean Journal of Otolaryngology - Head and Neck Surgery
2014 Volume.57 No. 8 p.552 ~ p.555
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A Case of Pseudo-Vestibular Neuritis with Contralesional Canal Paresis due to Spontaneous Bilateral Vertebral Artery Dissection
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Shim Dae-Bo
Song Mee-Hyun
Park Kye-Chun
Song Chang-Eun
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Abstract
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Pseudo-vestibular neuritis is a central pathology of acute vestibular syndrome, characterized by unidirectional nystagmus mimicking acute peripheral vestibulophaty. We report a 39-year-old female patient who developed cerebellar infarction with isolated vertigo, spontaneous nystagmus, a positive head thrust test, and unilateral canal paresis in the contralesional side. The patient had no vascular risk factors. A diffusion-weighted image of the brain showed infarction of medial branch of posterior inferior and superior cerebellar artery on the left side. A magnetic resonance angiography of neck disclosed a wide range of diffused severe stenosis and narrowing of right and left vertebral arteries, respectively. This case suggests the possibility of vestibular ischemia masking the central pathology in isolated vertigo.
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KEYWORD
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Embolism, Vertebral artery dissection, Vestibular neuritis
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