| Phenotype details |
see paper; ..., prenatal period unremarkable, birth 40w, weight 3,320 g (25P); neonatal irritability, stiffness; no congenital anomalies; failure to thrive, short stature, microcephaly; severe developmental delay; no speech; MRI brain bilateral symmetric extensive atrophy frontal lobes, mild frontal ventriculomegaly, thin corpus callosum ; social smile, interaction with caregivers; muscle severe spastic quadriplegia, hypertonia with contractures; not walking; 5w-onset intractable generalized seizures; prognathism, midface retrusion, short philtrum, large ears; EEG diffuse cerebral disturbance without electrographic correlates to seizures; bilateral hiatal hernias, gastresophageal reflux, feeding difficulties, apneas, recurrent respiratory infections in first year of life, strabismus, choreiform movements |