中老年人慢性结肠炎是一种慢性非特异性肠;起病缓慢,病程缠绵,愈后易复发。该病因和发病机理目前尚未明确,有人认为可能与自身免疫、感染、遗传、精神因素有关。主要临床表现是腹泻、便秘、黏液脓血便、腹痛和里急后重等,其病变主要限制于大肠黏膜与黏膜下层,多累及直肠远端结肠,也可蔓延至整段结肠,在纤维结肠镜下的表现主要是结肠段黏膜的充血,血管网络模糊,血管网络偏粗,黏膜发红或因苍白而光亮,有些可见黏膜粗糙。查新显示,进年来由于国内外对慢性结肠炎的治疗研究水平不断提高,病死率不断下降,但是治 Chronic colitis in the elderly is a chronic non-specific intestinal; onset is slow, lingering course, the more likely to relapse. The etiology and pathogenesis is not yet clear, some people think it may be related to autoimmune, infection, genetic, mental factors. The main clinical manifestations of diarrhea, constipation, mucus and blood stool, abdominal pain and tenesmus, the main lesion in the large intestine mucosa and submucosa, involving the distal rectum colon, but also spread to the entire colon, the performance of the fiber colonoscopy Mainly mucosa of the colon hyperemia, vascular network obstruction, thick vascular network, mucosal redness or pale and bright, some visible mucosal rough. Check the new show, as the years due to the continuous improvement of the treatment of chronic colitis at home and abroad, the case fatality rate continues to decline, but the rule