Long-term MRI observations of childhood-onset relapsing-remitting multiple sclerosis

Neuropediatrics
C BalássyD Prayer

Abstract

Long-term MRI follow-up of childhood-onset relapsing-remitting multiple sclerosis (RRMS) was carried out in 4 cases. MRI findings were correlated with clinical course and characteristic differences from adult-onset RRMS were elaborated. Two girls and one boy with true childhood-onset, and one girl with juvenile-onset RRMS underwent 5-16 MRI examinations within 6-8 years. The total number of lesions, the numbers of new, active, disappearing and reappearing lesions, infratentorial and U-fibre lesions, "giant" plaques and "black holes" were counted. Callosal atrophy and general brain atrophy were assessed. The findings were related to the physical status according to the Expanded Disability Status Scale (EDSS). Results showed that the primary differences in childhood-onset RRMS compared to adult-onset RRMS lie in the lack of, or slower development of irreversible changes ("black hole" formation, brain atrophy). Despite callosal atrophy and intensive U-fibre region involvement, school performance was unchanged. Regarding the frequency of "giant" lesions, an even more pronounced white matter involvement was found in our children compared to adults. All children exhibited a rather "benign" disease course. A more intensive remyelinati...Continue Reading

Citations

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