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  American journal of clinical and experimental urology

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  PubMed Central

  v. 1-, 2013-

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  v. 1-, 2013-
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• Article

  Localization of bleeding small intestinal lesions using scanning techniques.

  Heyman S, Sacks B, Khettry J, Steer ML.

  Surgery. 1979 Apr;85(4):372-6.

  Gastrointestinal bleeding remains a major diagnostic problem, and the commonly employed techniques of contrast radiography, endoscopy, and arteriography may not successfully localize the site and/or define the cause of gastrointestinal hemorrhage. Technetium-99m pertechnetate scanning has been useful in identifying Meckel's diverticula, and modifications of this technique may successfully identify highly vascular lesions responsible for gastrointestinal bleeding. A patient with recurrent hemorrhage from a leiomyosarcoma of the ileum is described. The lesion was identified with flow studies and immediate static imaging after injection of technetium-99m pertechnetate. In addition, the lesion was demonstrated by scanning using in vivo technetium-99m pertechnetate labelled autologous erythrocytes. The potential value of these scanning techniques as noninvasive tools for the localization and identification of lesions responsible for gastrointestinal bleeding is discussed.

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