病例介绍雷某，男，５８岁，农民，发现腹部包块渐进性长大６ａ。包块初起游离于下膜，后仅活动于右下腹，时有隐痛，３ａ前因腹痛腹胀住本院诊断为不全肠梗阻自行缓解出院，别无其它不适。查体：右下腹可触及儿头大包块，质硬，活动受限，轻压痛。钡灌肠提示回盲区肠系膜... Case description Lei Mou, male, 58 years old, farmer, found that abdominal mass gradually grew up 6a. From the beginning of the mass, the mass is free from the lower membrane, and then it only acts on the right lower quadrant. It is sometimes painful. Before 3a, it bulges due to abdominal pain. This hospital is diagnosed with incomplete intestinal obstruction and relieves itself. There is no other discomfort. Physical examination: The right lower abdomen can touch the head mass, hard, limited activity, light tenderness. Barium enema tips ileocecal mesentery...