Fig. 1. A, Number of new diffusion-weighted imaging (DWI) lesions after filter-protected carotid stent placement and median lesion load of DWI positive cases in different vascular territories.

B, Individual numbers and vascular territory of DWI lesions. Note case 16, with severe aortic arch atherosclerosis exceeding the usual number of 1 to 4 lesions per positive case.