患者，男，64岁。1995年1月无诱因出现咽痛，左侧咽后壁肿大，附着四块状黄白坏死物．不易擦去，伴发热，体温38℃，经抗炎治疗后体温正常，咽部坏死物脱落干净。1996年7月和8月初无诱因先后解血便2次，暗红色血液与大便相混，每次量约100ml，当地医院肠镜示：溃疡性结肠炎（未 Patient, male, 64 years old. In January 1995, there was no incentive for sore throat, and the left side of the pharynx was swollen and attached to the blocky yellow and white necrosis. Not easy to wipe off, with fever, body temperature 38 °C, normal temperature after anti-inflammatory treatment, necrotic pharyngeal shedding. In July and August of 1996, there were no causes of hemolysis 2 times. The dark red blood was mixed with the stool. Each time the amount was about 100ml. The local hospital’s enteroscope showed: ulcerative colitis (not