Developmental Delay and Epilepsy Without Gigantism: An Unusual Presentation of Soto's Syndrome Due to A Novel Mutation in the NSD1 Gene.

A case study of a 2‑year‑old girl presented with developmental delay and epilepsy without gigantism, and seizures for 3 months of age of Soto's Syndrome. Topics include delay in attainment of language, and social milestones, as compared to gross and fine motor milestones; and magnetic resonance imaging of the brain was normal, and electroencephalogram showed frequent bilateral frontotemporal epileptiform discharges.