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Clinically mild encephalitis/encephalopathy with a reversible splenial lesion
H Tada1, J Takanashi, A J Barkovich
1Department of Pediatrics, Graduate School of Medicine, Chiba University, Japan.
Neurology
|November 24, 2004
Summary
Patients with encephalitis/encephalopathy and reversible splenium of the corpus callosum (SCC) lesions show similar mild symptoms and fully recover within one month. These findings aid in understanding this specific neurological condition.
Area of Science:
- Neurology
- Radiology
- Neuroimaging
Background:
- Encephalitis/encephalopathy can present with diverse neurological manifestations.
- Reversible lesions in the splenium of the corpus callosum (SCC) are an uncommon MRI finding.
- Understanding the clinical profile associated with SCC lesions is crucial for diagnosis and prognosis.
Purpose of the Study:
- To determine if patients diagnosed with encephalitis/encephalopathy and a reversible SCC lesion share common clinical features.
- To characterize the clinical, laboratory, and radiological findings in this patient cohort.
Main Methods:
- Retrospective collection of patients with encephalitis/encephalopathy and isolated reversible SCC lesions on MRI.
- Review of clinical, laboratory, and radiological data.
- Analysis of lesion morphology and diffusion-weighted imaging characteristics.
Main Results:
- Fifteen patients with encephalitis/encephalopathy and reversible SCC lesions were identified.
- All patients experienced mild clinical courses with complete recovery within one month.
- Common symptoms included disorders of consciousness (12/15) and seizures (8/15).
- SCC lesions resolved completely on follow-up MRI within 2 months.
Conclusions:
- Patients with encephalitis/encephalopathy and reversible SCC lesions exhibit nearly identical clinical features.
- The condition is characterized by mild central nervous system (CNS) manifestations.
- Complete clinical recovery within one month is a consistent outcome.