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A case of cerebellopontine angle meningioma presenting as neurovascular compression syndrome of the 8th cranial nerve
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Jeongin Jang, Sung Kwang Hong, Joonho Song, Hyung-Jong Kim, Hyo-Jeong Lee
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Res Vestib Sci. 2024;23(1):28-31. Published online March 15, 2024
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DOI: https://doi.org/10.21790/rvs.2023.141
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 Abstract
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- A 54-year-old female patient presented with paroxysmal tinnitus and vertigo for 2 years, which have repeatedly occurred while rotating her neck, and lasted about 10 seconds. An anticonvulsant medication was prescribed with a diagnosis of microvascular compression syndrome on the 8th cranial nerve and audiovestibular evaluation and magnetic resonance imaging (MRI) scan were appointed a week later. In her next visit, she reported the disappearance of paroxysmal audiovestibular symptoms after medication. In the left ear, canal paresis and abnormal auditory brainstem response were observed. In MRI, a large meningioma in the cerebellopontine angle in the vicinity of the internal auditory canal orifice was detected, that was surgically resected by a neurosurgeon. After surgical removal of the tumor, she reported continuous dizziness due to vestibular nerve injury, but the paroxysmal attack of tinnitus and vertigo disappeared without anticonvulsant medication. This case suggests that an imaging study is mandatory when diagnosing microvascular compression syndrome on the 8th cranial nerve.
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Diagnosis and Treatment of Vertical Canal Benign Paroxysomal Positional Vertigo
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Min Gu Lee, Sung Kwang Hong
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Res Vestib Sci. 2013;12:S73-S76. Published online June 1, 2013
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Abstract
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- Benign paroxysmal positional vertigo (BPPV) is inner ear disorder caused by a displacement by otoconia from the utricle into semicircular canal (SCC). It is usually present as a definite vertigo spell induced by change in head position. Even though the posterior canal is by far most frequent, BPPV can involve any SCC. The diagnosis is confirmed by typical clinical presentation and positional tests. The aim of the review article was to provide a current opinion regarding vertical canal BPPV.
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