J Med Life Sci > Volume 10(3); 2014 > Article
Journal of Medicine and Life Science 2014;10(3):221-224.
DOI: https://doi.org/10.22730/jmls.2014.10.3.221    Published online February 28, 2014.
순차적으로 양측 돌발성 감각신경성난청이 발생한 48세 남자: 전하소뇌동맥의 폐쇄와 난청의 관련성 및 와우의 측부 순환 가능성
최승효1, 이호원2, 이시영2
1제주대학교 의학전문대학원 이비인후과학 교실
2제주대학교 의학전문대학원
48 Years Old Patient Bilateral Sudden Sensorineural Hearing Loss Occurred in Order: Correlation of Hearing loss with Obstruction of Anterior Inferior Cerebellar Artery and Probability of Collateral Circulation of Cochlea.
Seung Hyo Choi1, Ho Won Lee2, Si Yung Lee2
1Department of Otolaryngology, Jeju National University School of Medicine, Jeju, korea
2Jeju National University School of Medicine, Jeju, korea
Correspondence:  Seung Hyo Choi, Email: photen27@naver.com
Received: 25 January 2014   • Revised: 3 February 2014   • Accepted: 8 February 2014
Abstract
He lost suddenly right hearing 2 months ago, but he didn't his sudden sensori neural hearing loss (SSNHL). He had left SSNHL 1 day ago, he visited Jeju National University Hospital. He only complained of hearing loss. In pure tone audiometry (PTA), his hearing was measured 62dB/24% at right side and 87dB/0% at left side respectively. The magnetic resonance image (MRI) and angiography (MRA) of the brain showed total occlusion of right internal carotid artery and both anterior inferior cerebellar artery (AICA) was invisible in MRA. There was no AICA infarction in diffusion image of brain MRI. We treated him with high dose methylprednisolone, intratympanic dexamethasone injection (ITDI), IV alprostadil 10pg, ginkobiloba, pentoxifyline and aspirin. In addition, we detected hypertension (HTN) and diabetes mellitus (DM) and treated diseases with department of internal medicine. After treatment for 2 months brain MRI and MRA showed more abundant collateral circulation of brain than initial MRA. But both AICA was invisible. After treatment for 4 months his left hearing was measured 30dB/90% at left side in PTA.
Key Words: Sudden Hearing Loss, Cerebellum, Magnetic Resonance Image, Cochlea
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