What is the role of autoreactive antibodies 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

In GCA, the frequency of rheumatoid factor, antinuclear antibodies, and other autoreactive antibodies is not higher than that of age-matched controls. Complement levels are normal, and cryoglobulins and monoclonal immunoglobulins are absent.


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