| Phenotype details |
see paper; ..., congenital myopathy, ataxia, skeletal abnormalities, Cesarean section due tonon-reassuring fetal status, slight neonatal asphyxia (Apgar score 5/7), intact in first months after birth; severe growth delay, severe motor delay; severe growth impairment (<3rd percentile); no intellectual disability; no seizure; muscle weakness; tremor; dysmetry; adiadochokinesia; walking disturbance; pgmentary retinopathy, papillary pallor; triangular face, sunken eyes, chest asymmetry; raised CK (1200U/L); muscle biopsy myopathic; MRI global cerebellar hypotrophy, enlarged cisterna magna, hyperintense signals in the supra-tentorial periventricular and posterior white matter |