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KMID : 0858620130170030152
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Korean Journal of Audiology
2013 Volume.17 No. 3 p.152 ~ p.155
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Two Cases of Malleostapedotomy in Congenital Oval Window Atresia
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Ahn Sang-Hyeon
Kim Da-Hee
Choi Jae-Young
Kim Bo-Gyung
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Abstract
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Congenital anomaly of the oval window with an abnormal facial nerve course is an uncommon embryological defect, which is related to the underdevelopment of second branchial arch derivatives. Some treatments for improving hearing levels are available; these include hearing aids, vestibulotomy, neo-oval window formation, and stapes surgeries, including incudostapedotomy and malleostapedotomy. However, surgery for congenital anomalies of the oval window has rarely been described, usually in very small series of patients. We describe two cases of congenital anomalies of the oval window with aberrant facial nerve courses. One was a 40-year-old male diagnosed with unilateral congenital oval window atresia; the other was a 10-year-old male diagnosed with bilateral congenital oval window atresia. We also describe the clinical manifestations and treatment outcomes of malleostapedotomy for congenital anomalies of the oval window with aberrant facial nerve courses.
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KEYWORD
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Conductive hearing loss, Aural atresia, Stapes surgery
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