51-year-old female with sudden vertigo and nystagmus, evaluate for posterior circulation infarct. There is no evidence of intracranial hemorrhage, mass, or acute infarct. There is a focus of increased T2 signal in the left thalamus, with minimal corresponding FLAIR signal abnormality, which is favored to represent a prominent perivascular space or less likely a prior infarct, and appears unchanged from the 2/27/2013 examination. The ventricles and basal cisterns are normal in size and configuration. There is no midline shift or herniation. The major cerebral flow voids are intact. The orbits, skull, paranasal sinuses, and scalp soft tissues are grossly unremarkable.
1.No evidence of acute intracranial hemorrhage, mass, or acute infarct.2.Unchanged focus of increased T2 signal in the left thalamus which is favored to represent a prominent perivascular space and less likely prior infarct.