The left internal carotid, anterior, and middle cerebral arteries appear intact.
Intact basilar artery and posterior cerebral arteries. Antegrade vertebral artery flow bilaterally. Left vertebral artery is larger than right. There is tortuosity of the vertebrobasilar system.
Superior cerebellar arteries are patent bilaterally.
Anterior-inferior cerebellar arteries are patent bilaterally. Left posterior-inferior cerebellar artery is patent. No definite asymmetric enlargement of external carotid artery branches seen. No
aneurysm or arteriovenous malformation.
Visualized portions of the superior sagittal, as well as the straight and sigmoid sinuses appear
1. Asymmetric prominence of flow within the right cavernous sinus, as well as in the retroclival venous plexus and subtle enlargement of the right superior ophthalmic vein. Findings are worrisome for right