When are endoscopy and radiographic studies indicated in the workup of anemia?

Updated: Nov 26, 2019
  • Author: Joseph E Maakaron, MD; Chief Editor: Emmanuel C Besa, MD  more...
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Investigate GI bleeding by endoscopy and radiographic studies to identify the bleeding site. However, even these methods may leave a source of GI bleeding undetected, because these procedures do not detect the bleeding site or the lesion if small. Examples of these causes include the following:

  • Coagulation abnormalities induced by aspirin or platelet dysfunction

  • Hookworm infestation

  • Hemangiomas of the small bowel

  • Lymphosarcoma and other tumors

  • Adenomas of the gallbladder

  • Self-administration of anticoagulants

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