| Phenotype details |
abnormal EEG, cerebral palsy, cyclical vomiting, developmental delay, developmental regression, epilepsy, exotropia, failure to thrive, hypermetropia, hypertonia, hypotonia, intussusception, involuntary movements, langerhans cell histiocytosis, muscle weakness, myoclonus, optic atrophy, patent foramen ovale, periventricular white matter hyperdensities, poor eye contact, respiratory failure, respiratory tract infections, retinal atrophy, seizures, spasticity, visual impairment |