Journal of Rhinology 2006;13(2):136-140.
Published online November 30, 2006.
A Case of Endoscopic Treatment of Membranous Choanal Atresia with Contralateral Choanal Stenosis Using Powered Instrumentation and Mitomycin C
Jin Hyeok Jeong, Hyun Jung Min, Seok Hyun Cho, Kyung Rae Kim
Department of Otolaryngology-Head and Neck Surgery, School of Medicine, Hanyang University, Seoul, Korea.
Powered Instrumentation과 Mitomycin C를 이용한 일측성 후비공 협착을 동반한 일측성 막성 후비공 폐쇄증의 내시경적 치료 1예
정진혁, 민현정, 조석현, 김경래
한양대학교 의과대학 이비인후-두경부외과학교실
Congenital Choanal Atresia is a relatively uncommon anomaly. Among various surgical approaches for treating this ailment that have been proposed to date, transpalatal and transnasal endoscopic approaches are the preferred methods for surgical treatments. Because restenosis is the most important post-surgical concern, some authors used topical application of mitomycin C in the choanal atresia and found it to be effective in the prevention and treatment of scar formation. We have experienced a case of right membranous choanal atresia and left membranous choanal stenosis which were treated with a transnasal endoscopic approach using powered instrumentations and topical application of mitomycin C without an application of prolonged stent. Eight months after the treatment, patent neochoanae remains without evidence of restenosis.
Key Words: Choanal atresia;Endoscope;Powered instrumentation;Mitomycin C

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