Duodenal and small intestinal atresia are congenital abnormalities rarely seen in pediatric surgery. It is one of the significant cause of newborn ileus, and is often associated with other anomalies.

• 十二指肠、小肠闭锁是小儿外科少见的先天性发育畸形,也是新生儿肠梗阻的重要病因之一,常合并其它发育异常。