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Giant cell arteritis (GCA) is a type of vasculitis, or inflammation of the blood vessels. It is a chronic inflammatory disorder that affects the large and medium-sized arteries, most commonly the temporal arteries. It is also known as temporal arteritis or cranial arteritis. Symptoms of GCA include headache, scalp tenderness, jaw pain, vision changes, and fever. Treatment typically involves high doses of corticosteroids to reduce inflammation and prevent complications.
All of the following must be considered when interpreting clinical findings and are too extensive to be covered on this site: