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KMID : 0361019960390040714
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Korean Journal of Otolaryngology - Head and Neck Surgery
1996 Volume.39 No. 4 p.714 ~ p.719
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Two Cases of Congenital Choanal Atresia
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Abstract
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Choanal atresia is the congenital failure of one or both posterior nasal apertures to communicate with the nasopharynx and about 50% of these patients are accompanied with other congenital defects. The incidence is one in 8.000 live births, with
a
female to male preponderance of approximately 2 : 1.
Recently the authors have experienced two cases of congenital choanal atresia each by transpalatal approach and transnasal approach with endoscopy. (Korean J Otolaryngol 39 : 4, 1996)
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