Ismail A, Abdulkadir A Y
Department of Radiology, Aminu Kano Teaching Hospital, Kano, Nigeria.
Niger Postgrad Med J. 2013 Dec;20(4):352-5.
Choanal atresia is a developmental failure of the nasal cavity to communicate with nasopharynx. It can be membranous or bony; unilateral or bilateral; complete or incomplete. Bilateral choanal atresia is less common and usually present in neonatal period with severe respiratory distress. Imaging provides definitive diagnosis by choanography. This report shows the value of computed tomography in the diagnosis of choanal atresia in a patient that presented with bilateral choanal atresia, undiagnosed until about seven years.
后鼻孔闭锁是鼻腔与鼻咽部之间的发育性沟通障碍。它可以是膜性或骨性的；单侧或双侧的；完全或不完全的。双侧后鼻孔闭锁较少见，通常在新生儿期出现严重呼吸窘迫。影像学检查通过后鼻孔造影提供明确诊断。本报告展示了计算机断层扫描在一名双侧后鼻孔闭锁患者诊断中的价值，该患者直到约七岁才被诊断出来。
