Answers are grounded in this paper and cite their sources.
The authors report 3 cases of total colon aganglionosis, of which 2 demonstrate the unusual finding of retrograde filling of the entire small bowel and stomach following barium enema examination. Normal amounts of barium were used in both cases, with no attempt made to reflux into the small intestine. The mechanism and possible significance of this finding as a diagnostic sign are discussed.
No takes yet. Share an insight, caveat, or question.
Chandler et al. (1970) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: