What is 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

Giant cell arteritis (GCA), or temporal arteritis, is a systemic inflammatory vasculitis of unknown etiology that occurs in older persons and can result in a wide variety of systemic, neurologic, and ophthalmologic complications. [1] GCA is the most common form of systemic vasculitis in adults. Other names for GCA include arteritis cranialis, Horton disease, granulomatous arteritis, and arteritis of the aged.


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