title: Drainage of the rectum: a simple maneuver to improve the accuracy of colon examinations.
abstract: In double contrast enemas, the rectum and distal sigmoid can easily be examined with a high degree of accuracy. This requires adequate drainage and good air distension of this segment of the colon. Methods are outlined by which this can easily be accomplished.
mesh_terms: D001466:Barium Sulfate; D003106:Colon / Q000000981:diagnostic imaging*; D004733:Enema / Q000379:methods*; D006801:Humans; D011859:Radiography; D012007:Rectum / Q000000981:diagnostic imaging*
chemical_list: D001466:Barium Sulfate