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J Korean Bal Soc > Volume 7(2); 2008 > Article
Journal of the Korean Balance Society 2008;7(2): 213-217.
정상 청력으로 진단이 지연된 하전정신경초종 1예
채성원, 최창재, 전형진, 이학천
고려대학교 의과대학 이비인후-두경부외과학교실
A Case of inferior vestibular schwannoma which was lately diagnosed due to normal hearing level
Chang Jae Choi, Hyung Jin Chun, Hak Chun Lee, Sung Won Chae
Department of Otolaryngology-Head and Neck Surgery, Korea University College of Medicine, Seoul, Korea. schae@kumc.or.kr
Vestibular schwannoma is a benign tumor arising from the Schwann cells in the vestibular nerve. It causes unilateral hearing loss, tinnitus, vertigo and unsteadiness. The most common symptom is reduced hearing on the affected side. In most cases patients present complaining of hearing impairment or vertigo from which the otologist can get a clue to diagnose vestibular schwannoma. We experienced an unusual case of 45-year-old woman presented with recurrent mild dizziness without any hearing loss so the patient initially diagnosed with recurrent vestibulopathy. However, subsequent neurotologic evaluation and posterior fossa MRI scanning confirmed diagnosis of huge vestibular schwannoma originated from inferior vestibular nerve. Key words: Vestibular schwannoma, Dizziness, Hearing loss, Auditory brainstem response
Keywords: Vestibular schwannoma; Dizziness; Hearing loss; Auditory brainstem response
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