Unilateral posterior reversible encephalopathy syndrome: A case report

Ozawa, Tadashi; Tanaka, Ryota; Nagaoka, Risa; Anan, Yuhei; Kim, Younhee; Matsuzono, Kosuke; Mashiko, Takafumi; Koide, Reiji; Shimazaki, Hideyuki; Ohtani, Kazuhiro; Amano, Yusuke; Kawai, Kensuke; Fujimoto, Shigeru

doi:10.1016/j.clineuro.2019.105493

Cited by 2 publications

(2 citation statements)

References 4 publications

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“…Conversely, there have been reported cases of unilateral PRES without an identifiable cause or association. Ozawa et al reported a case of unilateral PRES in a patient with a history of lymphoma in remission, chronic hepatitis C, and chronic kidney disease [ 14 ]. Similarly, Katsuki et al described a case of unilateral PRES in a patient with ovarian dysfunction who was receiving cyclical estrogen and progesterone therapy [ 15 ].…”

Section: Discussionmentioning

confidence: 99%

Clinical and Radiological Features of Unilateral Posterior Reversible Encephalopathy Syndrome (PRES): A Case Report

Makkawi,

Khojah,

Baeshen

et al. 2024

Cureus

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Posterior reversible encephalopathy syndrome (PRES) is a clinicoradiological entity characterized by reversible vasogenic edema predominantly affecting the posterior regions of the cerebral hemispheres. However, unilateral presentation of PRES is an exceptionally rare manifestation. We describe the case of a 34-year-old woman who presented with left-sided hemiparesis, hemisensory loss, headache, and focal motor seizures. Brain CT revealed right anterior and posterior hypodensities in the right frontal and parietal subcortical locations, brain MRI showed vasogenic edema in the subcortical right cerebral hemisphere, and cerebral angiogram revealed diffuse narrowing of the left internal carotid artery just distal to the carotid bifurcation with no flow of contrast beyond the ophthalmic segment. The patient’s symptoms resolved during her admission, MRI findings improved on repeated imaging, and she was ultimately diagnosed with unilateral PRES. Unilateral PRES is a complex and challenging diagnosis, and this case sheds light on the atypical radiological features of unilateral PRES possibly intricately linked with contralateral steno-occlusive disease of the carotid artery. It is essential to maintain the atypical variants of PRES as part of the differential diagnosis when encountering acute neurological symptoms and vasogenic edema on imaging in the context of contralateral steno-occlusive disease of the carotid artery.

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Section: Discussionmentioning

confidence: 99%

Clinical and Radiological Features of Unilateral Posterior Reversible Encephalopathy Syndrome (PRES): A Case Report

Makkawi,

Khojah,

Baeshen

et al. 2024

Cureus

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show abstract

“…The data presented in this report were analyzed based on our case and the eight cases of unilateral PRES we confirmed via our PubMed search [[1], [2], [3], [4], [5], [6], [7], [8]]. Our search yielded two other cases, but those contained no description of the patients' condition, and consequently were excluded from our analyses [9].…”

Section: Datamentioning

confidence: 99%

Data on characteristics of reported cases of unilateral posterior reversible encephalopathy syndrome (PRES)

et al. 2019

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Data presented in this article are related to our article entitled “Unilateral posterior reversible encephalopathy syndrome: A case report” [1]. Cases of Posterior Reversible Encephalopathy Syndrome (PRES) involving unilateral lesions are very rare. We searched the PubMed database using keywords such as PRES, unilateral, and asymmetric and found a small number of cases to include in our review. We summarized the characteristics of these reported cases of unilateral PRES, including our case.

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Unilateral posterior reversible encephalopathy syndrome: A case report

Cited by 2 publications

References 4 publications

Clinical and Radiological Features of Unilateral Posterior Reversible Encephalopathy Syndrome (PRES): A Case Report

Clinical and Radiological Features of Unilateral Posterior Reversible Encephalopathy Syndrome (PRES): A Case Report

Data on characteristics of reported cases of unilateral posterior reversible encephalopathy syndrome (PRES)

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