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Abstract

Background

Children diagnosed with subacute sclerosing panencephalitis (SSPE) display a range of neuroimaging abnormalities during different stages of the disease, but their exact clinical significance remains unclear.

Methods

In this retrospective cohort study, our objective was to examine magnetic resonance imaging (MRI) abnormalities in the brains of patients aged 18 years or younger with subacute sclerosing panencephalitis. We aimed to correlate these MRI abnormalities with clinical severity, sociodemographic variables, electroencephalographic (EEG) abnormalities, and cerebrospinal anti-measles antibody titers.

Results

The study included 112 cases of subacute sclerosing panencephalitis (mean age at onset: 8.9 ± 2.6 years). MRI analysis at the time of presentation revealed the following abnormalities: subcortical white matter signal changes (n = 95), periventricular white matter signal changes (n = 76), splenium of corpus callosum involvement (n = 39), diffuse corpus callosum involvement (n = 27), cerebral atrophy (n = 35), basal ganglia involvement (n = 10), and brain stem involvement (n = 2). Notably, subcortical white matter involvement, periventricular white matter involvement, diffuse corpus callosum involvement, and basal ganglia involvement were more prevalent in patients with stage III and IV subacute sclerosing panencephalitis (P < .05 for all). Cerebral atrophy was also significantly more common in patients with stage III compared to those with stage IV subacute sclerosing panencephalitis (P < .0001). However, no substantial positive or negative associations were found between MRI findings and EEG abnormalities, other sociodemographic/clinical variables, and cerebrospinal fluid measles-specific antibody titers (P > .05).

Conclusion

Early in the disease progression of subacute sclerosing panencephalitis, the temporoparietal and parietooccipital regions of the subcortical white matter are affected. Neuroimaging abnormalities exhibit a stronger association with Jabbour's clinical staging, but do not show significant associations with other clinical, sociodemographic, and EEG features.

Keywords

measles neurodegenerative disorders neuroinfection progressive myoclonic epilepsy subacute sclerosing panencephalitis

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Association Between Clinical Severity,Neuroimaging,and Electroencephalographic Findings in Children with Subacute Sclerosing Panencephalitis

Abstract

Background

Methods

Results

Conclusion

Keywords

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References

Supplementary Material