Ultrasound-guided carotid angioplasty and stenting in a patient with iodinated contrast allergy: A case report

Figure 1 Images before and after subclavian artery stent implantation. A: Ultrasound showing stenosis of the right subclavian artery (R-SCA) before surgery; B: Ultrasound showing blood flow in the region of R-SCA stenosis before surgery; C: Ultrasound showing good stent shape of the R-SCA after surgery; D: Ultrasound showing good blood flow in the region of R-SCA stent after surgery; E: X-ray showing the shape of the stent before stenting; F: X-ray showing the shape of the stent after stenting; G: Computed tomography angiography showing severe stenosis of the R-SCA before surgery; H: Magnetic resonance angiography showing good stent shape after surgery. R-SCA: Right subclavian artery.