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Posterior reversible encephalopathy syndrome (PRES)

Case contributed by Frank Gaillard
Diagnosis almost certain

Axial FLAIR sequence demonstrating increased signal involving predominantly the subcortical white matter in the parieto-occipital and superior frontal gyri regions, somewhat in a symmetrical pattern. No evidence of mass effect or edema. 

MRI - 2 weeks later

mri

Repeat MRI 2 weeks later demonstrating marked resolution of changes. 

Case Discussion

Posterior reversible encephalopathy syndrome (PRES) with repeat scan 2 weeks later demonstrating marked resolution of changes. 

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