Fig. 5

Typical pattern of posterior reversible encephalopathy syndrome. Female patient, 13 years old, treated for ALL at the maintenance phase presented with headache and seizure axial MRI of the brain. a–d FLAIR images show bilateral cortical and subcortical areas of bright signal involving both the parietooccipital regions and both the cerebellar hemisphere (e, f). DWI of the patient show no evidence of diffusion restriction