Hepatic artery involvement in polymyalgia arteritica.

Disturbances of liver function tests are common in polymyalgia arteritica, but the underlying liver lesion has not been defined. We report a patient who was demonstrated to have a giant cell arteritis involving both the hepatic and temporal arteries, and we discuss the possibility that such an arteritis involving the hepatic arteries is responsible for the abnormalities of liver function seen in this condition.