2018
DOI: 10.4103/ajns.ajns_188_17
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An unusual cause of posterior reversible encephalopathy syndrome

Abstract: Posterior reversible encephalopathy syndrome (PRES) is a clinical radiographic diagnosis of heterogeneous etiologies. The pathogenesis of PRES remains unclear, but may be related to impaired cerebral autoregulation and endothelial dysfunction. We present a case of intravascular nonionic contrast-induced PRES observed after cerebral angiography. The index patient was a follow-up case of large vertebrobasilar artery-dissecting aneurysm for which endovascular coiling was done 6 months back. She improved completel… Show more

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Cited by 4 publications
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“…In addition, symptomatic headaches that develop during angiography should also be kept in mind. Symptomatic headaches due to situations such as vasodilatation of meningeal arteries, posterior reversible encephalopathy syndrome, and also cerebral hyperperfusion syndrome after carotid interventions, have been reported in the literature [15][16][17].…”
Section: Discussionmentioning
confidence: 99%
“…In addition, symptomatic headaches that develop during angiography should also be kept in mind. Symptomatic headaches due to situations such as vasodilatation of meningeal arteries, posterior reversible encephalopathy syndrome, and also cerebral hyperperfusion syndrome after carotid interventions, have been reported in the literature [15][16][17].…”
Section: Discussionmentioning
confidence: 99%
“…The CT manifestations of CIE range from cortical and subcortical enhancement to focal high-density lesions, groove enhancement, cerebral edema, and subarachnoid space enhancement, like subarachnoid hemorrhage. [ 18 , 19 ] Measuring CT value (HU) helps to distinguish different subarachnoid hemorrhages in CIE. Blood is usually 30 to 45 HU, and contrast agent is usually 80 to 160 HU.…”
Section: Discussionmentioning
confidence: 99%
“…When it is suspected that CIE requires immediate CT scan of the brain to rule out ischemic and hemorrhagic stroke (including subarachnoid hemorrhage). The CT manifestations of CIE range from cortical and subcortical enhancement to focal high-density lesions, groove enhancement, cerebral edema, and subarachnoid space enhancement, like subarachnoid hemorrhage [18,19] . Measuring CT value (HU) helps to distinguish different subarachnoid hemorrhages in CIE.…”
Section: Discussionmentioning
confidence: 99%