West syndrome is a multi-etiological condition. Recent progress in perinatal medicine and
the recent development of new neuroimaging techniques may have changed the etiological
panorama of West syndrome. Our recent study has disclosed an increasing percentage of
the perinatal group and a decreasing percentage of the doubtful group. The increase of the
perinatal group is due to an increased proportion of very low-birthweight infants and
periventricular leucomalacia (PVL). Among various etiological factors added to the long list …