What are systemic manifestations of 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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Systemic manifestations are likely related to the inflammatory process and cytokine elaboration. End-organ involvement relates to hyperplasia and occlusion of the arteries serving those organs.

Concentric intimal hyperplasia is an important underlying pathologic lesion in GCA. Intimal hyperplasia presumably occurs as a repair mechanism in response to injury of the blood vessel wall.

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