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A Case of Cochlear Implantation in a Child with Congenital Aural Atresia and Cochlear and Cochlear Nerve Malformation

대한이비인후과학회지-두경부외과학 2020년 63권 10호 p.471 ~ 474
이창배, 정성욱, 홍승우,
소속 상세정보
이창배 ( Lee Chang-Bae ) - Dong-A University College of Medicine Department of Otorhinolaryngology-Head and Neck Surgery
정성욱 ( Jeong Sung-Wook ) - Dong-A University College of Medicine Department of Otorhinolaryngology-Head and Neck Surgery
홍승우 ( Hong Seung-Woo ) - Dong-A University College of Medicine Department of Otorhinolaryngology-Head and Neck Surgery

Abstract


Congenital aural atresia (CAA) is usually accompanied by an anomalous course of facial nerves, which may run over the round window niche toward the promontory in some cases of CAA. Very rarely, cochlear malformation might coexist at the same ear which has CAA, in which case cochlear implantation can be difficult due to anomalous facial nerve. Herein we present a case of cochlear implantation performed in a child who had CAA along with cochlear hypoplasia and cochlear nerve aplasia. The mastoid segment of facial nerve was displaced anteriorly, running over the round window niche. The surgery was done successfully using the round window approach without facial nerve injury.

키워드

Cochlear implantation; Cochelar nerve; External auditory canal

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