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KMID : 0361020070500070639
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Korean Journal of Otolaryngology - Head and Neck Surgery
2007 Volume.50 No. 7 p.639 ~ p.642
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First Branchial Cleft Anomaly Presenting External Auditory Canal Atresia and Duplication Anomaly
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Jung Hyun
Lee Jong-Rak
Baek Moo-Jin
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Abstract
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Maldevelopment of the first branchial cleft can produce a broad spectrum of anomalies in its derivative structure, the external auditory canal (EAC). Failure of the cleft to develop normally can result in either the absence of a normally patent EAC (atresia or stenosis) or a duplication anomaly (cyst, sinus, or fistula). Despite their common origins, the coexistence of these anatomical abnormalities is quite unusual. We present a 6-year-old girl with congenital EAC atresia and duplication anomaly of the EAC in addition to the cholesteatoma of EAC.
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KEYWORD
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Branchial Cleft, External Auditory Canal, Cholesteatoma
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