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克罗恩病是一种以肠道慢性炎性病变为主要表现的全身性疾病,病因尚未完全明确,可能与免疫功能紊乱有关,可发生于从口腔到肛门的消化道任何部位。病程表现为急性发作和缓解交替出现。克罗恩病在不同种族间发病率有明显差异,亚太地区以印度、日本及中东发病率最高[1]。但近年来,我国克罗恩病发病率呈逐年增长的趋势,与1989~1993年比较,2004~2008年克罗恩病发病率增高了
Crohn’s disease is a systemic disease characterized by chronic inflammatory bowel disease. The etiology of the Crohn’s disease is not yet fully understood and may be related to immune dysfunction. It may occur anywhere in the digestive tract from the mouth to the anus. Course of disease manifested as acute exacerbation and remission alternating. The incidence of Crohn’s disease differs significantly among different races, with the highest prevalence in Asia Pacific being in India, Japan and the Middle East [1]. However, in recent years, the incidence of Crohn’s disease in our country has been increasing year by year. Compared with 1989 to 1993, the incidence of Crohn’s disease increased from 2004 to 2008