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  Clinical Sarcoma Research

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  PubMed Central

  v. 1-, 2011-

  BioMed Central

  v. 1-, 2011-
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• Article

  Preoperative diagnosis of rectal bleeding in an adult using a radioisotope scan.

  Randolph RP, Kovalcik PJ, Mullen JT.

  South Med J. 1977 Jun;70(6):680-685.

  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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