对腹泻两个月以上,纤维结肠镜检查发现有单纯性炎症改变者100例进行了两年多的系统研究,包括细菌学、组织病理学、电镜技术、酶联免疫技术、同位素基因探讨等。结果明确或基本明确病因者64例,病因达19种之多,其中以慢性肠道感染、肠道菌群失调和炎症性肠病最为常见。对胶原性结肠炎、菌群失调及不明原因者进行了讨论。 For more than two months after diarrhea, fibrinoscopy found 100 cases of simple inflammatory changes were more than two years of systematic research, including bacteriology, histopathology, electron microscopy, enzyme-linked immunosorbent assay, isotope gene research. The results were clear or the basic clear cause of 64 cases, the cause of up to 19 kinds of as many as chronic intestinal infections, intestinal flora and inflammatory bowel disease is the most common. Collagen colitis, flora imbalance and unexplained causes were discussed.