| Phenotype details |
5y-problems running 10y-diagnosis restrictive cardiomyopathy; 13y-heart transplantation, ventilator-dependent; global muscle weakness (predominantly proximal/respiratory muscles); muscle biopsy atrophic fibers, focal myofibrillar disorganization, dark inclusions (desmin prominence), moderate reduction large diameter myelinated fibers, visible loss smaller diameter fibers, occasional giant axons having thin/absent myelin sheaths |