 Redemonstrated are several foci of T2 hyperintensity within the white matter, both subcortical and periventricular, some of which are oriented perpendicular to the corpus callosum. There has been some subtle change of a few lesional sizes, however there are no new lesions dating back to the 2007 comparison. None demonstrate contrast enhancement.The ventricles and sulci are normal in size. The cerebellar tonsils are in normal position. There are no masses, mass effect or midline shift. The pituitary gland is normal in size. There are no extraaxial fluid collections or subdural hematomas. Flow voids are present within the major vessels indicating patency. The paranasal sinuses and mastoid air cells are clear. There is no abnormal enhancement within the brain.
Stable nonenhancing multiple sclerosis plaques as described in detail above.