The anterior circulation consists of the right and left internal carotid arteries (ICA) which bifurcate into the anterior cerebral artery (ACA) and middle cerebral artery (MCA) (Figure 1).

Computed tomography angiography (CTA ... called a “cerebral angiogram.” But that is not usually necessary. Surgery – Sorgeons can do surgery to remove plaque from the carotid arteries.