| Phenotype details |
birth-40w; delayed motor development; head control-3.5m; roll-11m; sit-6m; crawl-11m; never walked; severe intellectual disability; no autistic behavior; language comprehension; speech simple two-word sentences; spastic diplegia; wheelchair bound; no infantile hypotonia; no history of regression; epilepsy; EEG high-voltage slow waves with spikes; MRI brain cerebral atrophy; delayed myelination; corpus callosum hypoplasia; round face; no prominent nasal bridge; thin upper lip; short stature; obesity; precocious puberty |