| Phenotype details |
severe developmental delay/intellectual disability; Generalized, tonic-clonic seizures; Hypotonia; Strabismus; microcephaly; Ankyloglossia; teeth and gum abnormalities; mesomelic dysplasia lower limbs; Bowed radii, unilateral bowed ulna, shortened ulna, abnormal radial diaphysis, bowed and angulated tibias, hypoplastic fibula; Wide distal radial metaphyses, oligodactyly: 2 tarsal bones on each foot, absent/hypoplastic calcanei, 3 metatarsals, 3 associated phalanges, 1 phalanx not associated with a metatarsal bone; Scoliosis, cervical ribs, anterior superior vertebral notching, tethered cord; Coxa valga, unilateral hip dysplasia; osteopenia; horseshoe kidney; gastroesophageal reflux disease, constipation; failure to thrive; no respiratory problems |