多年来，美国肿瘤学会对结肠癌筛查规定为指检、粪潜血试验和软乙状结肠镜检，钡灌肠双对比只用于有症状及高危病人。1997年2月一个多学科（美国胃肠病医师协会和肿瘤学会）会议建议，将钡灌肠也列为结肠癌的筛直方法之一，从而使钡灌肠的地位获得“复兴”。美国胃肠病医师协会 Over the years, the American Society of Oncology has screened for colon cancer as an indication, fecal occult blood test, and soft sigmoidoscopy. Barium enema double contrast is used only in symptomatic and high-risk patients. In February 1997, a multidisciplinary (Association of American Gastroenterologists and Oncology Society) meeting suggested that barium enema was also listed as one of the methods of screening for colon cancer, resulting in a “rejuvenation” of the status of barium enema. American Association of Gastroenterologists