Figure 7From: Carotid Wallstent placement difficulties encountered in carotid artery stenting Successful CWS placement (tortuosity 92.4°; type B lesion) (example 3). Left common carotid arteriogram. A. Severe 80% stenosis accompanied by mild tortuosity observed at the origin of the left internal carotid artery. B Guiding the 8-mm × 21-mm CWS (arrow). C. Postdilatation. D. Good dilatation observed on the arteriogram taken immediately afterwards.Back to article page