An unusual cause of headache: expanding your differential.

BackgroundGiant cell arteritis (GCA) is an inflammatory vasculitis that primarily affects larger blood vessels, such as branches of the carotid arteries, especially the temporal arteries and, less commonly, the aorta.This condition is systemic and tends to affect individuals over 50.Common symptoms include headaches, jaw pain provoked by chewing, and fever.We present an interesting case of a GCA variant.