Aicardi SyndromeAgenesis of Corpus CallosumSpasms, InfantileSyndromePapilloma, Choroid PlexusSex Chromosome DisordersPeriventricular Nodular HeterotopiaMalformations of Cortical DevelopmentEye AbnormalitiesPupil DisordersCentral Nervous System CystsColobomaEpilepsies, MyoclonicAbnormalities, MultipleChoroid DiseasesRetinal DiseasesGenetic Diseases, X-LinkedNervous System DiseasesNational Institute of Neurological Disorders and StrokeMagnetic Resonance Imaging