nervous system disorder Posterior Leukoencephalopathy Syndrome MESH:D054038 A condition that is characterized by HEADACHE; SEIZURES; and visual loss with edema in the posterior aspects of the CEREBRAL HEMISPHERES, such as the BRAIN STEM. Generally, lesions involve the white matter (nerve fibers) but occasionally the grey matter (nerve cell bodies). Wikipedia:Posterior_reversible_encephalopathy_syndrome RPLS NCIt:C78598 PRES MedDRA:10063761 Sirarat Sarntivijai posterior reversible encephalopathy syndrome reversible posterior leukoencephalopathy syndrome