Posterior reversible encephalopathy syndrome (PRES), also known as reversible posterior leukoencephalopathy syndrome (RPLS), is a syndrome characterized by headache, confusion, seizures and visual loss.
Diagnosis
Imaging
MRI
Magnetic resonance image showing multiple cortico-subcortical areas of hyperintense signal involving the occipital and parietal lobes bilaterally and pons in a patient with posterior reversible encephalopathy syndrome | Rashmi Chawla, Daniel Smith and Paul E Marik – Near fatal posterior reversible encephalopathy syndrome complicating chronic liver failure and treated by induced hypothermia and dialysis: a case report. J Medical Case Reports 2009, 3:6623. doi: 10.1186/1752-1947-3-6623, CC BY 3.0, https://commons.wikimedia.org/w/index.php?curid=6834041
