炎性肠病是一种慢性、先天性的炎性肠道病变 ,可引起严重胃肠道症状 ,包括痢疾、腹痛、消化道出血、贫血和体重减轻。它还与一系列的肠外症状相关联 ,包括关节炎、强直性脊柱炎、硬化性胆管炎、色素层炎、虹膜炎、坏疽性脓皮病和结节性红斑。炎性肠病传统上被分为两个主要亚型 Inflammatory bowel disease is a chronic, congenital inflammatory bowel disease that causes severe gastrointestinal symptoms including dysentery, abdominal pain, gastrointestinal bleeding, anemia and weight loss. It is also associated with a range of parenteral conditions including arthritis, ankylosing spondylitis, sclerosing cholangitis, uveitis, iritis, pyoderma gangrenosum, and erythema nodosum. Inflammatory bowel disease has traditionally been divided into two major subtypes