What age groups are most at risk for 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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Age is the most important risk factor for GCA. The disease is rare in patients younger than 50 years. In those 50 years and older, the incidence increases with age, peaking in the seventh to eighth decade. The age range in one series of 166 biopsy-proven cases was 55-92 years. The median age of onset is 75 years. GCA is the most common systemic vasculitis affecting elderly patients.

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