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Technetium scans in the detection of gastrointestinal hemorrhage. Preoperative diagnosis of enteric duplication in an infant.

RECTAL bleeding is a common and perplexing problem in childhood. Colitis, polyps, intussusception, hemorrhoids, rectal fissure, and Meckel diverticulum are known causes of rectal bleeding, but in many instances the cause is never discovered. The diagnosis of Meckel diverticulum in particular has proved to be extremely difficult. Results of a barium enema and contrast study of the small bowel may be normal despite the presence of a large and actively bleeding diverticulum.1 Recent reports have indicated some success in the detection of Meckel diverticula utilizing technetium scans.2Scanning is undertaken with the knowledge that many Meckel diverticula that bleed contain gastric mucosa, which actively concentrates radioactive technetium. The purpose of this report is to describe a patient in whom another entity known to cause gastrointestinal bleeding, namely, enteric duplication of the colon, was diagnosed by technetium scanning. Report of a Case A previously healthy three-month-old girl was admitted