病例报告男，６２岁，农民．便血３ｄ，１次／ｄ．查体：一般情况好，心肺无异常，腹部平软，未扪及包块，肝脾肋下未及，无压痛．结肠镜检查：回盲瓣粘膜充血、水肿，即进镜至回肠末端１０ｃｍ处，可见十几条柱状粘膜桥，相互交织成网，与肠壁相连，形成网孔腔道改变，插... Case report Male, 62 years old, farmer. Blood in the stool, 3d, 1 time / d. Physical examination: the general situation is good, no abnormal heart and lung, abdominal soft, palpable mass, liver and spleen ribs, and no tenderness. Colonoscopy: ileocecal flap mucosal hyperemia, edema, into the mirror into the terminal ileum 10cm Department, showing a dozen columnar mucosal bridge, intertwined into a network, connected with the intestinal wall, forming a mesh cavity change, insert ...