| Phenotype details |
leukoencephalopathy, MRI brain increased DWI signal intensity frontal corticomedullary junctions, ptosis, restricted eye movements, dysphagia, dysarthria, diffuse limb muscle weakness with nonspecific myopathic changes in muscle biopsy specimens; severe gastrointestinal dysmotility (III3/6), respiratory failure (III3/6); mild ataxia (III3), bladder disturbances (III3), dilated cardiomyopathy (III3); hand tremor (III5) |