FIBEROPTICAL COLOSCOPY IN 922 PATIENTS WITH LOWER GASTROINTESTINAL HEMORRHAGE / 解放军医学杂志

ABSTRACT

Lower gastrointestinal (GI) bleeding with different causes was studied with fiberoptic coloscopy in 022 patients,and the endoscopic features were discussed.Of the 922 cases,colonic polyps were identified in 354 cases (38.4%),and neoplastic polyps in 10 (5.36%).in which villous adenomas was the most common,accounting for 47%.Large intestinal cancers were diagnosed in 134 cases (14.5%) and inflammatory bowel disease in 50 cases (5.4%).The etiology of the bleeding also included infectious diseases in colon,such as tuberculosis,amebiasis,schistosomiasis,idiopathic solitary colonic ulcer.Rarer causes of the lower GI hemorrhage included di-verticulum,hemangioma and trichuriasis.