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Prevalence of positive anticardiolipin antibody in benign infantile convulsion

      Abstract

      We report six anticardiolipin antibody (aCL)-positive cases among 18 children with epilepsy showing various seizure types in our initial study. These six cases revealed normal coagulation tests. As three of these six cases involved benign infantile convulsion (BIC), we further investigated the high frequency of positive aCL-Immunoglobulin (Ig) G in BIC in our subsequent study of nine cases that included three cases from the previous study and an additional six BIC cases followed and/or diagnosed by co-author (T.K.). As a result, eight of nine BIC cases were positive for aCL-IgG and the values of aCL-IgG decreased over long-term observation in three of these cases. The frequency of positivity for aCL-IgG in BIC was obviously higher than that of controls. Based on these results, we suggest that some immunological responses may be responsible for the pathogenesis of BIC.

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