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KMID : 1201420120050020061
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Journal of Neurocritical Care
2012 Volume.5 No. 2 p.61 ~ p.64
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Posterior Reversible Encephalopathy Syndrome Due to Primary Reversible Cerebral Vasoconstriction Syndrome
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Choi Yoon-Ho
Cho Yu-Na
Ko Won
Lyoo Chul-Hyoung
Kim Won-Joo
Choi Young-Chul
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Abstract
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Background: Reversible cerebral vasoconstriction syndrome (RCVS) is an underdiagnosed disease characterized by severe headaches with or without seizures, focal neurological deficits, and constriction of cerebral arteries which resolves spontaneously in 1-3 months. Posterior reversible encephalopathy syndrome (PRES) is typically characterized by headache, altered mental functioning, seizures, and visual loss associated with imaging findings of bilateral subcortical and cortical edema with a predominantly posterior distribution. Case Report: We present 49-year-old and 46-year-old females with thunderclap headache and seizure. MRI shows reversible cortical and subcortical lesions in both fronto-parieto-occipital lobes. And magnetic resonance angiography shows reversible multifocal luminal narrowing of distal cerebral vessels. Conclusion: Primary RCVS may occur as a cause of PRES. We report two cases of non-hypertensive PRES with seizure due to primary RCVS presenting thunderclap headache.
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KEYWORD
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Reversible cerebral vasoconstriction syndrome, Posterior reversible encephalopathy syndrome, Thunderclap headache
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