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Research in Vestibular Science > Volume 8(2); 2009 > Article
Research in Vestibular Science 2009;8(2): 147-151.
초기 돌발성난청과 정상 확산강조 뇌자기공명영상 소견을 보인 전하소뇌동맥경색 1예
김한신, 오정인, 박문일, 김창우
한림대학교 의과대학 이비인후-두경부외과학교실
A Case of Anterior Inferior Cerebellar Artery Infarction Initially Presented a Sudden Sensorineural Hearing Loss with a Normal Diffusion-weighted Brain MRI
Han Shin Kim, Jeong In Oh, Moon Il Park, Chang Woo Kim
Department of Otorhinolaryngology-Head and Neck Surgery, Hallym University College of Medicine, Seoul, Korea. kcw5088@dreamwiz.com
A sudden hearing loss with vertigo may originate from vascular insufficiency and sometimes presents as a prodrome of anterior inferior cerebellar artery infarction. Here we describe the case of a 48-year-old male patient who presented with a sudden onset of hearing loss in his right ear and severe, whirling type dizziness without associated neurological signs or symptoms. The diffusion-weighted magnetic resonance imaging (MRI) was normal on initial presentation, but 4 weeks after the onset of symptoms, the patient developed ipsilateral facial paralysis and dysarthria. A follow-up MRI revealed acute infarction in the territory of the anterior inferior cerebellar artery, involving the right lateral pons, right middle cerebellar peduncle, and inferolateral cerebellum.
Keywords: Sudden hearing loss; Anterior inferior cerebellarartery; Infarction; MRI
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