Fig. 7From: RETRACTED ARTICLE: Ultrasound versus temporal artery biopsy in patients with Giant cell arteritis: a prospective cohort studyUltrasound image of an eccentric or circumferential hypoechoic ring around the temporal artery wall a. B-Mode longitudinal view of the temporal artery wall with a halo. b. Pictorial presentation of the temporal artery wall with a halo. The arrow shows haloBack to article page