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Radiologic diagnosis of Hirschsprung's disease utilizing rectosphincteric reflex.

Authors
  • Nagasaki, A
  • Ikeda, K
  • Hayashida, Y
Type
Published Article
Journal
Pediatric radiology
Publication Date
Jan 01, 1984
Volume
14
Issue
6
Pages
384–387
Identifiers
PMID: 6504602
Source
Medline
License
Unknown

Abstract

Artificial balloon distension of the rectum caused a reflex opening of the anal canal as seen during barium enema in 10 out of 10 normal children and in 7 of 7 children with idiopathic constipation. Reflex opening of the anal canal was not observed in any of 15 children with proven Hirschsprung's disease. This lack of response was independent of the length of aganglionosis or previous diverting colostomy and corresponded to the fact that on manometric study the intraluminal pressure of the anal canal fell in normal children but not in the children with Hirschsprung's disease. This finding greatly improves the reliability of barium enema in the diagnosis of Hirschsprung's disease.

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