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Posterior Reversible Encephalopathy Syndrome in an Elderly Man: A Case Report
Carlos Nancassa1, Tetiana Baiherych1, Adelaide Figueiredo1
1Internal Medicine, Hospital Distrital de Santarém, Santarém, PRT.
Cureus
|August 18, 2025
Summary
Posterior reversible encephalopathy syndrome (PRES) is a neurological condition presenting with diverse symptoms. This case highlights PRES diagnosis and management, emphasizing early consideration in acute neurological presentations.
Area of Science:
- Neurology
- Radiology
Background:
- Posterior reversible encephalopathy syndrome (PRES) is a recognized clinico-radiological condition.
- Increasing recognition is linked to advancements in neuroimaging availability and use.
Observation:
- A 74-year-old male with hypertension, diabetes, and obesity presented with acute headache, confusion, speech disturbance, and visual decline.
- Initial CT showed bilateral temporo-occipital hypodensities; MRI confirmed vasogenic edema consistent with PRES.
Findings:
- The patient experienced rapid symptom resolution within a week following hospitalization for monitoring and blood pressure management.
- This case demonstrates a favorable outcome with prompt clinical attention and supportive care.
Implications:
- Highlights the importance of considering PRES in the differential diagnosis of acute neurological symptoms.
- Underscores that PRES should be considered even in patients without severe hypertension or typical risk factors.
- Emphasizes the role of neuroimaging in diagnosing PRES and guiding management strategies.
