| Phenotype details |
onset 48y, Facial weakness, bilateral ptosis; Hypotonia; Proximal muscle weakness & wasting; Dysarthria; Single fiber EMG: suggestive of mild neuromuscular junction disorder; Muscle biopsy: suggestive of mitochondrial myopathies; Brain MRI: suggestive of ischemia of atherosclerotic micro-vascular occlusive disease. |