| Phenotype details |
see paper; ..., no intra-uterine growth retardation; short stature; microcephaly, aquired (noted at 9 months); severe global developmental delay; 3y6m-first steps, uses an adaptive stroller for long distances (tires easily); speech few words (but largely non-verbal); intellectual disability; behavioral issues; self-stimulation behavior: flapping, kicking legs, banging head; can be aggressive when frustrated; mouths objects; hypotonia; seizures; MRI brain abnormal, diffuse diminutive bilateral cerebreal hemispheric white matter volume, hypoplastic callosal rostrum, prominent partial thinning of the corpus callosum, nonspecific dysmorphic alteration of the milateral gyral pattern |