患者女,30岁,因反复下腹痛、腹胀2年收住院。查体:痛苦表情,腹胀,无肠型,腹软,下腹稍压痛,无反跳痛,无包块。肠鸣音弱。肛诊:直肠空虚,指尖无异常。腹透示:肠管扩张,见多个气液平。B超示:结肠扩张不明显,小肠扩张,直径约4.5cm,下腹部及附件未见异常。查血WBC8.5×109/L,N0.82,L The female patient, 30 years old, was hospitalized for repeated abdominal pain and abdominal distention for 2 years. Physical examination: painful expression, bloating, no bowel type, abdominal softness, slight tenderness in lower abdomen, no rebound tenderness, no mass. The bowel sounds are weak. Rectal examination: The rectum is empty and there is no abnormality in the fingertips. Peritoneal display: Intestinal dilatation, see multiple air-liquid levels. Ultrasonography showed that the colon did not expand significantly, the small intestine expanded, and the diameter was about 4.5 cm. No abnormalities were found in the lower abdomen and its attachments. Check blood WBC8.5×109/L, N0.82,L