溃疡性结肠炎是最常见的大肠非特异性炎症病变,属多因性或不明原因的炎性肠病。由于CT对胃肠道病变诊断的局限性,至今X线造影检查仍是诊断溃疡性结肠炎的重要手段之一。 X线表现及其病理基础在传统的单对比钡灌肠检查中,溃疡性结肠炎最早的改变表现在排钡后的粘膜相上,出现异常的粘膜皱壁,即粘膜皱壁变得粗大、紊乱及模糊不清,充盈相时结肠边缘毛糙,呈针夹状或锯齿状,但这种改变常无确切的标准,且易与正常结肠或功能性改变所产生的表现相混淆。随着结肠双对比造影方法的应用和推广,对渍 Ulcerative colitis is the most common colorectal non-specific inflammatory lesions, is a multi-cause or unexplained inflammatory bowel disease. Due to the limitations of CT diagnosis of gastrointestinal lesions, X-ray imaging is still an important means of diagnosis of ulcerative colitis. X-ray findings and pathological basis In the traditional single-contrast barium enema examination, the earliest changes in ulcerative colitis manifested in the mucosal phase after barium row, there are abnormal mucosal folds, that mucosal folds become coarse, disorder And obscure, filling phase when the colon rough edges, pinnaw or jagged, but this change is often not the exact standard, and easy to normal colon or functional changes caused by confusion. With the double contrast colonography method of application and promotion of stains