Patchy areas of increased signal are present in the subcortical white matter of the
occipital lobes bilaterally. Some gray matter involvement is also present. No mass
effect is present.
Adjacent FLAIR images show the predominantly occipital location of the abnormalities.
FLAIR images show additional areas of white and gray matter involvement These areas
of signal abnormality are mildly hypointense on T1.
No enhancement is seen. MR venogram shows patent intracranial sinuses.
Key words: mri mrv