What is the prevalence of antiparietal cell antibodies in patients with pernicious anemia?

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

Antiparietal cell antibodies occur in 90% of patients with pernicious anemia but in only 5% of healthy adults. Similarly, binding and blocking antibodies to IF are found in most patients with pernicious anemia. A greater association than anticipated exists between pernicious anemia and other autoimmune diseases, including thyroid disorders, type 1 diabetes mellitus, ulcerative colitis, Addison disease, infertility, and acquired agammaglobulinemia. An association between pernicious anemia and Helicobacter pylori infections has been postulated but not clearly proven.


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