Legend 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.

Legend Adjacent FLAIR images show the predominantly occipital location of the abnormalities.

Legend FLAIR images show additional areas of white and gray matter involvement These areas of signal abnormality are mildly hypointense on T1.

Legend No enhancement is seen. MR venogram shows patent intracranial sinuses. Key words: mri mrv

Brain Diagnosis: Hypertensive encephalopathy