iron deficiency anemia

Iron deficiency anemia is a common cause of anemia and a common precipitant to radiological investigation.


Amongst men and postmenopausal women, the incidence in the developed world is around 2%. Among premenopausal women, the incidence is greater and in most cases, investigation is not required.



Causes may be related to reduced iron input, failure of storage or excessive losses:

Investigations should include:

  • urinalysis
  • celiac screening
  • upper GI endoscopy (UGIE)
  • sigmoidoscopy unless malignancy or celiac disease is diagnosed with UGIE
  • colonoscopy may replace sigmoidoscopy in some centers
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