Click on image to view larger version.



FIG 2. Before CAS placement.

A, Initial CE-MRA displaying a high-grade stenosis of the proximal right ICA (arrow), a moderate stenosis of the left ICA, and lack of an A1-segment of the left ACA.

B, Diagnostic angiography of the right ICA (anteroposterior) after selective injection in the right CCA, revealing the >95% stenosis of the proximal right ICA (arrow).