胃肠道息肉病和憩室病都属于胃肠道良性病变 ,属于消化系统空腔脏器疾病。尽管当前ＣＴ、ＭＲ对颅脑、脊髓、胸部、腹部实质脏器等部位疾病的诊断水平有了明显提高 ,但对空腔器官如胃肠道腔内病变 ,由于肠腔内积气、肠管回旋重叠、肠蠕动及肠活动性大等因素 ,ＣＴ及ＭＲ对其检? Gastrointestinal polyposis and diverticular disease are gastrointestinal benign lesions, belonging to the digestive system hollow organ disease. Despite the current CT, MR on the brain, spinal cord, chest, abdominal organs and other parts of the disease diagnosis has significantly improved, but the cavity organs such as gastrointestinal tract lesions, due to intestinal lumen, bowel convoluted Overlap, large peristalsis and intestinal motility and other factors, CT and MR on its test?