| Phenotype details |
Systemic cyanosis and muscular hypotonia. Facial dysmorphism (depressed nasal bridge, large mouth, high-arched palate, micrognathia). Severe global DD, axial hypotonia and dyskinasia. Epileptic spasms and erratic myoclonic seizures. Progressive brain atrophy, delayed myelination, thin corpus callosum. Bilateral hydronephrosis. Elevated ALP level (405 IU/L) |