Giant cell arteritis

What is Giant cell arteritis?

Giant cell arteritis (GCA) is a large vessel vasculitis predominantly involving the arteries originating from the aortic arch and especially the extracranial branches of the carotid arteries.

Other condition names

  • Horton disease
  • Temporal arteritis

Inheritance type



  • Europe: 1-5 in 10,000

Age of Onset

  • Adult
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