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13392

MRI Features of Posterior Reversible Encephalopathy Syndrome

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Last updated: 03 Jan 2025

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Abstract

Background and Purpose: Posterior Reversible Encephalopathy Syndrome (PRES) represents a clinico-radiological constellation of neurological symptoms and radiological features. The syndrome tends radiologically to be present with certain features and patterns. Our aim in this study is to investigate the PRES radiological features by which it does present in our community and to correlate the findings clinically. Methods: The MR images obtained for the 17 patients included in the study were analyzed for the PRES features and patterns. Fluid Attenuation Inversion Recovery (FLAIR) sequence was the mainly used sequence for assessment. Diffusion images with their apparent diffusion coefficient maps, T2* images, and Angiography were also utilized for further assessment and characterization. Results: Most of the cases demonstrated a bilateral involvement (94%). The regional distribution supra-tentorially included parietal and occipital affection in 94%, frontal lobe affection in 76%, and a temporal lobe affection in 71%. Infra-tentorial involvement was noted in 41% of the cases. Pattern percentages were slightly different from those available in the literature with the Holo-hemispheric Watershed pattern being the most common (35%). Conclusion: The originally described PRES features are present in the majority of the studied cases. The identified PRES patterns may reflect underlying clinical or pathological correlations, and hence can vary across communities.  

DOI

10.12816/0039054

Keywords

Keywords: Posterior Reversible Encephalopathy Syndrome, Reversible Posterior Leukoencephalopathy Syndrome, Brain, Magnetic Resonance Imaging

Authors

First Name

Abdul-Qader Isam

Last Name

Abdul-Hameed

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Affiliation

Radiology Department, Faculty of Medicine, Ain Shams University, Cairo, Egypt

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First Name

Salwa Taha Ahmed

Last Name

Isma'il

MiddleName

-

Affiliation

Radiology Department, Faculty of Medicine, Ain Shams University, Cairo, Egypt

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Orcid

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First Name

Shaimaa Abdelsattar

Last Name

Mohammad

MiddleName

-

Affiliation

Radiology Department, Faculty of Medicine, Ain Shams University, Cairo, Egypt

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Volume

68

Article Issue

2

Related Issue

2577

Issue Date

2017-07-01

Receive Date

2018-09-12

Publish Date

2017-07-01

Page Start

1,229

Page End

1,235

Print ISSN

1687-2002

Online ISSN

2090-7125

Link

https://ejhm.journals.ekb.eg/article_13392.html

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https://ejhm.journals.ekb.eg/service?article_code=13392

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21

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Original Article

Type Code

606

Publication Type

Journal

Publication Title

The Egyptian Journal of Hospital Medicine

Publication Link

https://ejhm.journals.ekb.eg/

MainTitle

MRI Features of Posterior Reversible Encephalopathy Syndrome

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Article

Created At

22 Jan 2023