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  • Title: Technetium-99m-labelled red blood cell scanning to diagnose occult gastrointestinal bleeding.
    Author: Szasz IJ, Morrison RT, Lyster DM.
    Journal: Can J Surg; 1985 Nov; 28(6):512, 514. PubMed ID: 3877558.
    Abstract:
    The authors, from their experience in 60 patients, demonstrate that technetium-99m-labelled red blood cell scintigraphy is a sensitive (91%) and specific (76%) diagnostic procedure with a high predictive value, when both positive (81%) and negative (92%). It is preferable to and more cost-effective than selective angiography as a first-line diagnostic test for occult gastrointestinal bleeding.
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