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PubMed | Saitama Childrens Medical Center Saitama
Type: Journal Article | Journal: No to hattatsu. Brain and development | Year: 2010

A retrospective analysis of the clinical and MRI features in 20 Japanese children diagnosed with central nervous system inflammatory demyelinating disorders was performed. Using the new criteria proposed by International Pediatric MS Study Group, half of children were reclassified into clinical isolated demyelinating syndrome (CIS). Presence of seizures and a pattern of diffuse bilateral lesions on brain MRIs are more frequent in children with ADEM than in CIS. However we suggest these features and encephalopathy may be associated with the age of patients. Furthermore, though persistence of abnormal MRI lesions is significantly more likely in the group of CIS, none of these patients had a subsequent recurrence or developed MS during the follow-up period. The prediction of patient prognosis seems to be difficult even based on the new criteria, and the nationwide multicenter analysis may be necessary in Japan for acquiring the definite conclusion.

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