Review
Congenital malformations of the external auditory canal
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- PMID: 8893214
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Review
Congenital malformations of the external auditory canal
Otolaryngol Clin North Am.
1996 Oct.
Abstract
Abnormal development of the first and second branchial arches and the intervening branchial cleft and pharyngeal pouch can result in a variety of deformities affecting the external auditory canal and the middle ear. This article reviews several of these deformities, including external auditory canal stenosis and atresia (minor and major congenital ear malformations) and external auditory canal duplication anomalies (type I and type II branchial cleft cysts).
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