| Phenotype details |
severe developmental delay/intellectual disability; Absences, myoclonic jerks; Limb hypertonia, spastic tetraparesis; normal vision, normal hearing; MRI brain widely open opercula of Sylvian fissures, prominent cisterna magna,pachygyria of posterior parietal lobes; no microcephaly; Low columella, bulbous nasal tip; short philtrum; Wide mouth, full lips; Widely spaced teeth; Mild micrognathia; synophrys, hypertrichosis; Long palpebral fissures; no mesomelic dysplasia; Contracture of knees and wrists; Post axial polydactyly with syndactyly of left foot, severe bilateral hind foot varus,short calcaneum.; Scoliosis treated surgical rods; Coxa valga; no horseshoe kidney; Constipation, gastrostomy fed; failure to thrive; Vesicoureteral reflux, weight at 9th centile |