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.
Establish specific imaging signs of different type IO, raise the rate of early correctly diagnosis of severity type ileus such as volvulus,entocele, intussusception.