| Phenotype details |
weight 25th, height 10th-25th, OFC 75th; developmental delay/intellectual disability; speech delay; compulsive, ritualistic, distractible; severe hypotonia; no seizures; strabismus; optic nerve hypoplasia; mild dysmorphic features, low facial tone, prominent nasal bridge, small alae, broad nasal tip, midline nasal dimple, narrow palate; short fingers & metacarpals; short toes; deviated second fingers; short thumbs; broad great toes; cone-shaped epiphyses on phalanges; normal back/spine; slight arrhythmia; no genital abnormalities |