Occipital headaches. The images are partly degraded by dental brace artifacts. There is no definite evidence of intracranial hemorrhage, mass, or acute infarct. There is a punctate foci of subcortical white mater T2 hyperintensity in the right parietal lobe. The brain, brainstem, and cerebellum otherwise appear unremarkable. The pituitary gland is not enlarged. There is no abnormal intracranial enhancement. 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.
No evidence of posterior fossa mass or Chiari malformation. A punctate foci of subcortical white mater T2 hyperintensity in the right parietal lobe is nonspecific.