Aortitis in GCA on CT

(A) Parasagittal CT angiography image of the aorta demonstrates diffuse thickening and enhancement of the aortic wall along the thoracic aorta and great vessels (thin arrows) in a patient with biopsy-proved GCA.
(B) Axial CT angiography image of the aorta demonstrates thickening and enhancement of the aortic wall at the level of the right renal artery.