Solomon A, Stadler J, Goland L
Am J Gastroenterol. 1983 Apr;78(4):248-50.
A partially obstructing giant pseudopolyp of the left colon precluded examination of the proximal colon by sigmoidoscope and by retrograde barium enema. Four ounces of oral Gastrografin was used to opacify the colon at 24 h. It is suggested that the use of water soluble contrast media has a role to play in colon investigation in special situations.
乙状结肠镜检查及逆行钡灌肠均因左半结肠巨大的部分阻塞性假息肉而未能检查近端结肠。在24小时时口服4盎司泛影葡胺使结肠显影。有人认为,在特殊情况下,水溶性造影剂在结肠检查中可发挥作用。