| Phenotype details |
see paper; ..., 9m-muscle biopsy; weak cry, poor suck, respiratory insufficiency, limb and facial muscle weakness, hypotonia; unable to sit; elevated creatine kinase (1458 IU/L); MRI brain T2-weighted imaging hyperintensity white matter; MRI skeletal muscletrophy and fat replacement in muscles (rectus femoris, vastus lateralis, soleus, gastrocnemius) |