case_images: PMC11809672_01
case_images: Halo sign seen in the distal temporal artery (marked) in the carotid artery duplex ultrasound
case_images: cureus-0017-00000077283-i01.jpg
case_images: PMC11809672_01_cureus-0017-00000077283-i01.jpg
case_images: FIG1
case_images: A halo sign (Figure 1) was noted along the course of the right temporal artery consistent with giant cell vasculitis.