 MRI brain: There is no evidence of acute infarct. No new intracranial hemorrhage or abnormal extra-axial fluid collections are identified. The ventricles and basal cisterns are normal in size and configuration. There is no midline shift or herniation. The imaged paranasal sinuses and mastoid air cells are clear of abnormal fluid signal. The skull and extracranial soft tissues are unremarkable.MRA head: The intracranial internal carotid arteries demonstrate no significant stenosis. The middle and anterior cerebral arteries are also patent. There is a fetal origin of the right posterior cerebral artery and a prominent left posterior communicating artery. The left vertebral artery is dominant. The distal vertebral arteries, basilar artery, and posterior cerebral arteries also are patent with no significant stenosis. No evidence of aneurysms or vascular malformations.
1. No acute intracranial abnormality.2. No flow-limiting stenosis, occlusion, or aneurysm in the major cerebral arteries.