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A case of congenital posterior choanal atresia.

Journal of the Korean Pediatric Society 1989;32(11):1546-1552.
Published online November 30, 1989.
A case of congenital posterior choanal atresia.
Dae Shik Kim1, Ran Namgung1, Chul Lee1, Dong Gwan Han1, Seung Kyu Chung2
1Department of Pediatrics, Yonsei University, College of Medicine, Seoul, Korea
2Department of Otorhinolaryngology, Yonsei University, College of Medicine, Seoul, Korea
선천성 양측성 후비공 폐쇄증 1례
김대식1, 남궁란1, 이철1, 한동관1, 정승규2
1연세대학교 의과대학 소아과학교실
2연세대학교 의과대학 이비인후과학교실
Received: 11 May 1989   • Accepted: 9 August 1989
The congenital posterior choanal atresia is an uncommon, but not rare, disorder that may threaten the newborn’s existence or give rise to chronic symptoms. As many as 50% of patients with choanal atresia have other associated anomalies. We experienced a case of congenital posterior choanal atresia without associated anomaly in 6 day old female baby. The patient was hospitalized due to the main symptoms of respiratory difficulty, cyanosis and mucoid rhinorrhea since birth. In physical examination, the patient showed mild cyanosis on perioral area and subcostal chest wall retraction. Initially, we induced an oral respiration and feeding by the application of McGovern’s nipple and oro-gastric tube as an emergency treatment. The diagnosis was confirmed by the skull X-ray films after instillation of contrast material (hypaque) and nasal bone CT scan. The operation was done by transnasal approach with the aid of operating microscope. Total operation was done three times during the 8 moths period due to the obstruction by the granulation tissue formation and the accidental removal of stent tube. She is now a 10 months old age and is in good condition. We report a case of bilateral choanal atresia treated with nasal stent insertion by transnasal approach.
Key Words: Choanal atresia, nasal stent insertion by transnasal approach

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