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Benign infantile epilepsy (BIE) is characterized by onset in infancy (with typical development before onset), no underlying disorders, seizure clusters, short seizure duration, and normal interictal electroencephalogram.[1-3] BIE can be familial [3,4] and proline-rich transmembrane protein 2 (PRRT2) gene is a major causal factor.[4,5] The long-term outcome of BIE is favorable, with seizure cessation before 2 years of age [6] and no cognitive or behavioral problems.[7]