4.6 Review

Cerebrovascular Disease in the Setting of Posterior Reversible Encephalopathy Syndrome

Journal

FRONTIERS IN NEUROLOGY
Volume 12, Issue -, Pages -

Publisher

FRONTIERS MEDIA SA
DOI: 10.3389/fneur.2021.765333

Keywords

posterior reversible encephalopathy syndrome; reversible cerebral vasoconstriction syndrome; magnetic resonance imaging; blood brain barrier; angiography; diffusion-weighted imaging

Funding

  1. major project of the National Natural Scientific Foundation of China [81790653]

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There is overlap between the pathogenesis of posterior reversible encephalopathy syndrome and cerebrovascular disease, with neuroimaging playing a crucial role in timely identification and differentiation of this entity from other diseases.
Overlap between the pathogenesis of posterior reversible encephalopathy syndrome and that of cerebrovascular disease can confound their clinical and radiological presentations, posing a diagnostic challenge. This article presents a literature review and discussion of the clinical manifestations, pathological mechanisms, and imaging manifestations of subarachnoid hemorrhage and vasculitis leading to posterior reversible encephalopathy syndrome, coexistence of posterior reversible encephalopathy syndrome with reversible cerebral vasoconstriction syndrome, and hemorrhage and infarction secondary to posterior reversible encephalopathy syndrome. The findings show that posterior reversible encephalopathy syndrome shares some overlapping pathophysiological mechanisms with cerebrovascular disease. Importantly, neuroimaging plays an important role in identifying this entity in a timely manner and differentiating it from other diseases.

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