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Hirschsprung Disease

Barium enema in a patient with aganglionosis up to the splenic flexure. The aganglionic bowel is narrowed and spastic (right), whereas the normally innervated proximal bowel (top) is dilated and filled with fecal material.

By permission of the publisher. From Wald A: Gastroenterology and Hepatology: Colon, Rectum, and Anus . Edited by M Feldman (series editor) and CR Boland. Philadelphia, Current Medicine, 1996.