| Phenotype details |
severe developmental delay/intellectual disability; Generalized, tonic-clonic seizures (onset at 9 months, treatment-resistant); Hypotonia, dystonia; Nystagmus; MRI brain hypoplasia of the corpus callosum, brain atrophy; microcephaly; Large nose with bulbous nasal tip and low hanging columella; Smooth philtrum; Thin upper lip; Widely spaced teeth; -; no mesomelic dysplasia; Scoliosis; no osteopenia; horseshoe kidney; Constipation; failure to thrive; no respiratory problems |