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  • Title: Preoperative diagnosis of rectal bleeding in an adult using a radioisotope scan.
    Author: Randolph RP, Kovalcik PJ, Mullen JT.
    Journal: South Med J; 1977 Jun; 70(6):680-685. PubMed ID: 301663.
    Abstract:
    A 22-year-old man with burning pain in the lower abdomen and rectal bleeding had a sodium pertechnetate Tc 99m scan. The scan showed an area of uptake in the right lower quadrant which at operation was found to be a Meckel's diverticulum. The ability of ectopic gastric mucosa within a Meckel's diverticulum to concentrate sodium pertechnetate Tc 99 m allows for this noninvasive diagnosis of some types of rectal bleeding, especially when the cause has escaped detection by conventional endoscopic and barium contrast examinations.
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