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Gadolinium-enhanced CTA images of the cervical vessels obtained in a 52-year-old woman with severe carotid stenosis disclosed by MRA.
A, Axial image shows absence of contrast material in the left internal carotid artery (arrow) and stenosis of the right internal carotid artery.
B, Reconstructed image shows absence of contrast in the left internal carotid artery and smooth tapered narrowing of the proximal vessel.
C, Smooth tapered narrowing of the right internal carotid artery.
