1. Establish specific imaging signs of different type IO, raise the rate of early correctly diagnosis of severity type ileus such as volvulus,entocele, intussusception.
   建立不同类型肠梗阻的特异性影像学征象,提高严重肠梗阻类型如肠扭转、肠内疝及肠套叠早期正确诊断率。
2. Results In the 21 cases,there were adhesion in 6 cases,volvulus in 1 case,neoplasm in 8 cases,external hernal in 1 case,fecalith in 1 case,intussusception in 2 cases and inflammation in 2 cases.
   结果21例机械性肠梗阻中肠粘连6例,肠扭转1例,肿瘤8例,腹外症1例,粪石1例,肠套叠2例,炎症2例。

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