 Some images are degraded by motion artifact.Brain MRI: The ventricles and sulci are normal in size. The cerebellar tonsils are in normal position. There are no masses, mass effect or midline shift. No abnormal enhancing lesion is identified. The pituitary gland is normal in size. There is no evidence for intracranial hemorrhage or acute infarction. The paranasal sinuses and mastoid air cells are clear. There is left temporal lobe developmental venous anomaly, which is a normal variant. Bilateral prominent perivascular spaces are noted with focal prominence in the left periatrial white matter. Brain MRA: There is normal flow related enhancement of the basilar artery, distal bilateral internal carotid arteries and carotid siphons and bilateral anterior, middle and posterior cerebral arteries. There is central lack of flow related enhancement of the anterior communicating artery, which may be artifactual versus a tiny fenestration. Left A1 segment and bilateral P1 segments are hypoplastic, which are normal variants. No arterial narrowing, occlusions or aneurysms are identified. No arteriovenous malformations are identified.Brain MRV: There is normal venous flow demonstrated within the internal cerebral veins, straight sinus, superior sagittal sinus and within the bilateral transverse and sigmoid sinuses. No dural venous sinus thromboses or occlusions are identified.
1.No acute intracranial abnormality.2.No intracranial arterial narrowing, occlusion, or aneurysms are identified.3.No intracranial venous sinus thromboses or occlusions are identified.