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Research in Vestibular Science 2011;10(1): 38-41.
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| 정상 와우 발달을 보인 양측 수평반고리관 이형성증: MR CISS기법을 이용한 3차원 용적 연출 영상 소견 |
| , , , 최재환1, 김학진2, 정한영3, 최광동1 |
| 부산대학교 의과대학 신경과학교실1, 영상의학교실2, 국군대구병원 영상의학과3 |
| A Case of Bilateral Horizontal Semicircular Canal Dysplasia with Normal Cochlea: Three Dimensional Volume Rendering Image Using MR CISS Sequence |
| Jae Hwan Choi, Hak Jin Kim, Han Young Jung, Kwang Dong Choi |
1Department of Neurology, Pusan National University College of Medicine, Busan, Korea. kdchoi@medimail.co.kr
2Department of Radiology, Pusan National University College of Medicine, Busan, Korea.
3Department of Radiology, Armed Forces Daegu Hospital, Daegu, Korea. |
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| ABSTRACT |
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Congenital inner ear malformations are frequently found in patients with sensorineural hearing loss, but isolated vestibular anomalies with normal cochlear development have been rarely reported. We report a 20-year-old man with recurrent dizziness and disequlibrium without hearing impairment. Neuro-otological evaluations showed a left peripheral vestibulopathy with normal hearing function. Three dimensional volume rendering image using magnetic resonance constructive interference in steady state sequence demonstrated isolated vestibular anomalies involving bilateral horizontal semicircular canals. Isolated vestibular anomalies might not be as rare as previously thought among patients with recurrent dizziness, and should be carefully evaluated through various imaging techniques |
| Keywords:
Congenital inner ear malformations; Horizontal semicircular canal; Three-dimensional volume rendering image |
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