Radionuclide imaging studies ofgastrointestinal disorders

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The ability to detect Meckel's diverticulumwith conventional radiographic methods is usually quite uncertain. The concentration of 99mTcNa pertechnetate by gastric parietal cells has been used effectively to detect the presence of gastric mucosa in these ectopic sites. In addition, several cases of intussusception and small bowel obstruction have been demonstrated with radiopertechnetate and abdominal imaging. It is believed that the radiopertechnetate is concentrated in the edematous interstitial fluid associated with such obstructive lesions, where a compromise of the vascular supply exists. The use of this nonspecific test has so far been very limited. Its reliability, and role in the evaluation of difficult diagnoses of the abdomen can only be clearly defined with further clinical experience. This brief report is included to acquaint the reader with an area of potential future development.

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Cited by (9)

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    MD was first described by Fabricus Heldanus in 1650 [6], then Levator in 1671 [7] and then Ruysch in 1730 [8]. However, the diverticulum bears the name of Johann Friedrich Meckel who described the embryology of a small bowel diverticulum in 1809 [9]. In comparison with previous reports on MD in the literature, it was quite unusual that MD exhibited an intussusception within its own lumen.

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From The Department of Radiology and Nuclear Medicine, Children's Hospital of Buffalo, 219 Bryant Street, Buffalo, N. Y.

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