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Encephalopathy complicating Henoch-Schönlein purpura: reversible MRI changes
A R Woolfenden1, J Hukin, K J Poskitt
1Department of Pediatrics, British Columbia's Children's Hospital, University of British Columbia, Vancouver, Canada.
Pediatric Neurology
|July 31, 1998
Summary
Henoch-Schönlein purpura can cause rare brain issues like encephalopathy and vision loss in children. Magnetic resonance imaging showed reversible brain changes, suggesting cerebral edema plays a key role.
Area of Science:
- Neurology
- Pediatrics
- Nephrology
Background:
- Henoch-Schönlein purpura (HSP) is a common childhood vasculitis.
- Neurologic complications are rare but can be severe.
- This case highlights unusual central nervous system involvement in HSP.
Observation:
- A 10-year-old boy presented with HSP, encephalopathy, transient cortical blindness, and seizures.
- Magnetic resonance imaging (MRI) revealed reversible posterior white and gray matter changes.
- The findings suggested a posterior predominant parieto-occipital encephalopathy.
Findings:
- The patient's neurological symptoms and MRI findings were consistent with HSP.
- Reversible changes on MRI indicate a potential for recovery.
- Cerebral edema due to blood-brain barrier breakdown is implicated in the pathophysiology.
Implications:
- This case expands the understanding of HSP's neurological manifestations.
- It emphasizes the importance of considering CNS involvement in HSP.
- Prompt recognition and management may improve outcomes for affected children.