Seizure followed by by left-sided weakness. Rule out ischemia. The left lateral ventricle is slightly larger than the right but without surrounding parenchymal signal abnormality. This is probably a normal variation. Otherwise, the CSF-containing spaces are normal in size. The brain shows no diffusion restriction or susceptibility artifact. There is no space-occupying brain lesion, midline shift or brain herniation. Gray-white differentiation is preserved. Major intracranial vascular flow voids are preserved. There is no destructive skull lesion or scalp abnormality. An 8 mm, well-circumscribed, homogeneously T2-hyperintense lesion within the mucosa along the nasopharyngeal wall, to the left of midline, is probably a small mucous retention cyst.
Normal brain MRI examination.