患者女 ,37岁。因“腹痛 3个月 ,伴血便、发热和消瘦 2 0ｄ”入院。患者于 3个月前 ,无明显诱因发生下腹隐痛 ,逐渐加重 ,伴里急后重 ,对症治疗无好转。在 2 0ｄ前开始 ,反复排黏液血便 ,约 10 0～ 2 0 0ｍｌ/次 ,每天 1～ 2次 ,伴发热 ,按肠炎处理 ,血便减少。外院作肠镜及活 Female patient, 37 years old. He was admitted to hospital because of “abdominal pain for 3 months, with bloody stools, fever and weight loss 20 days.” The patient had no obvious cause of lower abdominal pain for 3 months before. He gradually became severe, accompanied by acute stress and heaviness, and symptomatic treatment did not improve. Before 20 days, bloody stools were repetitively evacuated, about 100 to 200ml/time, 1 or 2 times a day, with fever, and bloody stools were reduced by enteritis treatment. External colonoscopy and live