In the third, the obstruction was due to duodenalstenosis, and there was an incomplete annular pancreas.
第三个病例，梗阻由于十二指肠狭窄，是个部分环状胰腺。
2
Conclusions In neonatal period, the etiology of intestine obstruction non-operation reason mainly is small intestine atresia, malrotation of intestine, duodenal septum stenosis.
结论新生儿期非手术所致肠梗阻以十二指肠隔膜狭窄或闭锁、肠闭锁或狭窄、肠旋转不良多见。
3
Surgical operation confirmed that 46 cases with malrotation of intestines, 24 with congenital duodenal atresia or stenosis (including membranous stenosis) and 15 with annular pancreas.