In the present study, patients with gastrointestinal tumor were examined by using GI bariumexamination, CT(computed tomography), MRI(magnetic resonnance imaging).
用于胃肠道检查的影像学诊断技术有多种，最常用的方法有胃肠钡剂检查，CT和MRI。
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We summarized 16 cases of nonfunctioning islet cell tumor which were proved by surgery and pathology after CT and hypotonic barium meal examination of gastrointestinal tract.
Conclusion:Gastrointestinal barium meal examination plays an important role in screening polyps(especially intestinal polyps)and it can also provide noninvasive measures for regular follow-up.