男性,27岁。1988年4月起出现不规则脐周疼痛伴排便次数增多,2个月后出现血便,当时肠镜提示结肠炎。先后服用氟哌酸、复方新诺明、柳氮磷胺毗啶,症状无缓解而入本院。体检 腹软,右下腹有压痛,无肌卫及反跳痛,未扪及包块,无移动性浊音,肛门指检阴性,大便常规:脓血便,红细胞+++,脓细胞+。结肠镜检:横结肠息肉。9月30日行剖腹深 Male, 27 years old. From April 1988 onwards, irregular umbilical pain with increased frequency of defecation occurred, and bloody stool appeared two months later when colonoscopy prompted colitis. He took norfloxacin, compound sulfamethoxazole, and sulfasalazine in succession, and he was admitted to the hospital without symptoms. Physical examination Abdominal soft, right lower abdomen with tenderness, no muscle guarding and rebound tenderness, no palpable and mass, no moving dullness, anal negative, stool routine: pus and blood, red blood cells +++, pus cells +. Colonoscopy: Transverse colon polyps. Severe laparotomy on September 30