| Phenotype details |
see paper; ..., intellectual disability (IQ50), moderate developmental delay; speech delay, 2y-first word; delayed motor development, 23m-walk; bilateral optic atrophy; anxiety; moderate hypotonia; no seizures; prominent maxilla, midline tongue groove, narrow palate, overcrowded teeth, small lower jar, 2-3 toe syndactylyl bilaterally; thoracic kyphoscoliosis, lumbar lordosis, and pectus carinatum with spinal fusion; non-progressive bilateral optic atrophy, exotropia and moderate myopia; infantile gastro-esophageal reflux with poor feeding, mild mitral regurgitation |