Aug 25, 2016
Posterior reversible encephalopathy syndrome: Not always posterior, or reversible, or with associated encephalopathy. These and other clinical and neuroimaging factoids are reviewed in this week's edition of BrainWaves where we discuss the various--and often disparate--features of PRES. BrainWaves podcasts and online content are intended for medical education only and should not be used to guide medical decision making in routine clinical practice. Any cases discussed in this episode are fictional and do not contain any patient health identifying information. The content in this episode was vetted and approved by Amy Pruitt. REFERENCES 1. Hinchey J, Chaves C, Appignani B, Breen J, Pao L, Wang A, Pessin MS, Lamy C, Mas JL and Caplan LR. A reversible posterior leukoencephalopathy syndrome. The New England journal of medicine. 1996;334:494-500. 2. Casey SO, Sampaio RC, Michel E and Truwit CL. Posterior reversible encephalopathy syndrome: utility of fluid-attenuated inversion recovery MR imaging in the detection of cortical and subcortical lesions. AJNR American journal of neuroradiology. 2000;21:1199-206. 3. Fugate JE and Rabinstein AA. Posterior reversible encephalopathy syndrome: clinical and radiological manifestations, pathophysiology, and outstanding questions. The Lancet Neurology. 2015;14:914-25. 4. Bartynski WS. Posterior reversible encephalopathy syndrome, part 2: controversies surrounding pathophysiology of vasogenic edema. AJNR American journal of neuroradiology. 2008;29:1043-9. 5. Bartynski WS. Posterior reversible encephalopathy syndrome, part 1: fundamental imaging and clinical features. AJNR American journal of neuroradiology. 2008;29:1036-42. 6. Hefzy HM, Bartynski WS, Boardman JF and Lacomis D. Hemorrhage in posterior reversible encephalopathy syndrome: imaging and clinical features. AJNR American journal of neuroradiology. 2009;30:1371-9.