| Phenotype details |
motor delay; speech delay; intellectual disability; autism; no hypotonia; MRI brain cerebral atrophy more pronounced frontal lobes, discrete atrophy hippocampi, mild/moderate dilatation ventricles, with narrowing cerebral aqueduct upper ends; normal vision; ECG normal; no skeletal anomalies; no dental anomalies, no palatal anomalies; no gastrointestinal anomalies; sleep problems |