从我院和潍坊市人民医院随机抽取胃肠造影片,对片中易导致误诊的伪影进行了分析,找出产生伪影的原因及避免伪影的方法,现介绍如下: 1.使用产气剂不当导致气泡伪影 表现为多个细小圆形或多角形,应与胃内小息肉鉴别。前者仔细观察,外形圆整,有一定的张力和弹性,边缘光滑锐利,常多个成簇,随体位转动而活动或消失。我们发现产生 From our hospital and Weifang People’s Hospital randomly selected gastrointestinal film, the film easily lead to misdiagnosis of the artifacts were analyzed to find out the causes of artifacts and avoid artifacts, are as follows: 1. The use of production Improper gas bubbles lead to bubble artifacts as a number of small round or polygonal, polyps should be identified with the stomach. The former careful observation, round shape, a certain degree of tension and flexibility, the edge smooth and sharp, often more than one cluster, with the rotation of the position or disappear. We found it