| Phenotype details |
2m life-threatening cyanosis in context gastrooesophageal reflux, hypotonia, motor development delayed, scoliosis, MR with absent verbal ability, autistic signs, shifty eyes, severe myopia; 4y muscle biopsy discrete fiber size variability, slightly increased connective endomysial tissue, EMG myopathic changes, normal nerve conduction velocities, ERG moderate macular activity, MRI brain atrophy brain stem, abnormality periventricular white matter; CPK 800-1000 UI/l; intellectual disability (HP:0001249); 5y-able to walk |