• Also called cranial arteritis and giant cell arteritis�inflammation and damage to blood vessels supplying blood to the head and neck.
  Harvard Dictionary of Health Terms
  Harvard Medical Publishing, 2011
• An autoimmune, systemic, giant cell granulomatous arteritis predominantly involving the arteries that supply blood to the central nervous system, head and eyes. Superficial arteries of the scalp that are involved tend to be enlarged and tender. Signs and symptoms include headaches, myalgias, visual disturbances, and skin necrosis.
  NCI Thesaurus
  U.S. National Cancer Institute, 2021
• Subacute, granulomatous arteritis involving the external carotid arteries, especially the temporal artery; occurs in elderly persons and may be manifested by constitutional symptoms, particularly severe headache, and sometimes sudden unilateral blindness; shares many of the symptoms of polymyalgia rheumatica.
  CRISP Thesaurus
  National Institutes of Health, 2006
• (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.
  OrphaNet
  INSERM, 2021