Fig 2. Patient 26, a 77-year-old woman with multiple infarction in the right cerebral hemisphere. Right carotid angiogram (lateral view) revealing mild stenosis with irregular carotid wall, which is considered as a plaque ulceration (left). Diffuse shallow peristent ulceration in the internal carotid artery (arrows) just after CAS (center) improved after 4 months (right).