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KMID : 0390220020130010122
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Journal of Clinical Otolaryngology, Head and Neck Surgery
2002 Volume.13 No. 1 p.122 ~ p.126
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A Case of Cochlear Aplasia with Narrow Internal Auditory Canal and Dysplastic Vestibular System
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Kim Eun-Seok
Chang Baik-Ahm
Kang Ki-Seok
Kang Jung-Han
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Abstract
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Congenital anomalies of the inner ear are rare disease and the majority of them are difficult to diagnose during one’s life time because they are malformations limited to the membranous labyrinth. However, inner ear anomalies involving bony labyrinth can be detected in life time through radiogaphic imaging and it has been known to occupy 8-20% of patients with congenital sensorineural hearing loss. We experienced a rare case of inner ear anomaly, in which the cochlea was not formed, the lateral semicircular canal was not developed, the vestibule was dilated and the internal auditory canal was narrowed.
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KEYWORD
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Sensorineural hearing loss, Cochlear aplasia, Vestibular dysplasia, Narrow internal auditory canal
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Listed journal information
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