Fig 2. A 71-year-old man with persistent monocular visual loss. Axial scan CTA source image (A), MPR (B), SSD (C), MIP (D), and US-ECD (E) show an irregular ulcerated plaque with moderate stenosis of the ICA. The ulcer is 4 mm and proximal to the point of maximum stenosis (yellow arrows). US was positive for ulceration in this case.