What is the etiologic role of Zollinger-Ellison syndrome (ZES) in pernicious anemia?

Updated: Feb 18, 2019
  • Author: Srikanth Nagalla, MD, MS, FACP; Chief Editor: Emmanuel C Besa, MD  more...
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Answer

Cobalamin deficiency is also reported in ZES. The mechanism is believed to be due to the acidic pH of the distal small intestine, which hinders the cobalamin-IF complex from effectively binding to the ileal receptors.


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