Right carotid artery angiogram, AP view on DSA brain showing complete occlusion of right ICAThe catheter tip is visible in proximal right ICA (black arrow) with normal contrast flow in the proximal part; however, after giving an ophthalmic branch, the complete cut-off of contrast flow is evident in the right ICA (white arrow).AP - anteroposterior; DSA - digital subtraction angiography; ICA - internal carotid artery