溃疡性结肠炎(UC)是一种以局部结肠黏膜炎症反应为主的,以腹痛、腹泻、黏液脓血便、里急后重为主要特征的慢性非特异性炎症性肠病,其病因尚未完全阐明。近20年的研究表明,该病主要与免疫异常、基因变异相关,而感染、饮食、职业、慢性阑尾炎、口服避孕药、围生期和儿童等因素以 Ulcerative colitis (UC) is a chronic nonspecific inflammatory bowel disease characterized by local colonic mucosal inflammation and abdominal pain, diarrhea, mucopurulent bleeding and tenesmus, the etiology of which has not yet been fully elucidated. Nearly 20 years of research shows that the disease is mainly associated with immune abnormalities, genetic variation, and infection, diet, occupational, chronic appendicitis, oral contraceptives, perinatal and children and other factors