 There is no evidence of intracranial hemorrhage, mass, or acute infarct. The hippocampal formations are symmetric; normal in size and signal intensity. There are no areas of abnormal parenchymal signal. 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 skull and scalp soft tissues are unremarkable. There is mild right ethmoid sinus mucosal thickening. The cerebellar tonsils are mildly low lying. There is a subcentimeter presumed Tornwaldt cyst.
No evidence for intracranial lesion or structural abnormality