患者男性,49岁。间断脓血便伴右上腹隐痛,反复发作18年,于1985年6月10日住院。病初曾按细菌性痢疾用抗痢药物治愈。以后每年都出现脓血便,间隔时间不等,短至3～5天,最长1个月。每次发作伴右上腹及左下腹疼痛、下坠,但不发热,亦无纳差,每日大便2～4次,有少量鲜红色血便, Male patient, 49 years old. Intermittent sepsis with the right upper quadrant pain, repeated episodes of 18 years, in June 10, 1985 hospitalization. At the beginning of the disease, it was cured with dysentery drug by bacillary dysentery. Every year after the emergence of pus and blood will be, ranging from time to time, as short as 3 to 5 days, up to 1 month. Each attack with the right upper quadrant and left lower quadrant pain, falling, but not fever, no anorexia, daily stool 2 to 4 times, a small amount of bright red bloody stool,