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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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