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KMID : 1201420170100010041
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Journal of Neurocritical Care
2017 Volume.10 No. 1 p.41 ~ p.45
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Normal Magnetic Resonance Perfusion Imaging and Atypical Posterior Reversible Encephalopathy Syndrome in Chronic Kidney Disease
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Kim Ye-Rim
Shim Yong-Soo
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Abstract
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Background: Posterior reversible encephalopathy syndrome (PRES) is classically characterized by symmetric vasogenic edema in the parietooccipital areas, but may occur at other sites with varying imaging appearances.
Case Report: A 55-year old female with chronic kidney disease (CKD) was admitted to the emergency room, presenting with nausea, vomiting and seizure. The initial blood pressure was 145/90 mmHg. Fluid attenuated inversion recovery demonstrated diffuse vasogenic edema in the bilateral cortical and subcortical white matters involving the frontal lobes. Perfusion magnetic resonance imaging (MRP) showed no hyper- or hypoperfusion at blood pressure levels of 140/50 mmHg. A follow-up magnetic resonance imaging at 3 weeks later demonstrated complete resolution of previous lesions.
Conclusions: Earlier reports have demonstrated that PRES can occur in cases of atypical distributions, and features of imaging findings and normotensive settings. It is important to note that PRES is a dynamic process. As a result, we suggest that MRP must be considered in the appropriate temporal framework, to avoid misinterpretation of the other diseases, especially in CKD patients.
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KEYWORD
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Posterior reversible encephalopathy syndrome, Brain magnetic resonance imaging, Brain Perfusion, Chronic Kidney Disease
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