What is the role of liver function testing in the diagnosis 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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Answer

Liver function test results (eg, alkaline phosphatase and aspartate aminotransferase), are elevated in 20-30% and 15% of GCA cases, respectively. In addition, the prothrombin time may be prolonged. Muscle enzyme levels (eg, creatine kinase, aldolase) are normal.


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