What is the role of a CBC count in the diagnosis of giant cell arteritis (GCA) (temporal arteritis)?

Updated: Sep 03, 2020
  • Author: Mythili Seetharaman, MD; Chief Editor: Herbert S Diamond, MD  more...
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Answer

A complete blood cell count (CBC) should always be obtained. CBC reveals mild normochromic normocytic anemia in most patients, with a mean hemoglobin level of 11.7 ± 1.6 g/dL. Anemia has been shown to have a good negative predictive value for severe ischemic complications in GCA. [88] The leukocyte and differential counts are generally normal.


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