Unusual presentation of granulomatosis with polyangiitis causing periaortitis and consequent subclavian steal syndrome: A case report

Figure 1 Initial computed tomography scans. A: Chest computed tomography scan with contrast enhancement showing a nodule abutting the pleura in the left lower lobe of the lung; B and C: Computed tomography scan showing a heterogeneously enhancing soft tissue dense lesion partially occluding the aortic arch; and D: Doppler ultrasonography for the evaluation of subclavian steal syndrome demonstrated a reverse flow in the left vertebral artery.