Table 2. Muscle morphology in patients II-2, II-6, II-7 and III-1.
II-2 | II-6 | II-7 | III-1 | |
---|---|---|---|---|
Age of biopsy (years) | 24 | 17 | 15 | 4 |
Biopsied muscle | vastus lat. | vastus lat. | vastus lat. | vastus lat. |
Genetic phenotype | CM+HHR | HHR | CM+HHR | CM |
Variability of fiber size | ++ | (+) | ++ | + |
Internal nuclei | (+) | - | (+) | (+) |
Core like lesions (NADH) | ++ | (+) | + | (+) |
Endomysial Fibrosis | (+) | - | (+) | (+) |
Fatty replacement | ++ | - | ++ | + |
Inclusions (Desmin) | + | - | ++ | (+) |
Inclusions (αβ Crystallin) | - | - | (+) | - |
Typ II fiber predominance | + | + | + | (+) |
Fiber necrosis | - | - | - | - |
Fiber regeneration | - | - | - | - |
CD56 positive fibers | - | - | + | + |
Endomysial lymphozytes | + | - | - | - |
Minicores (EM) | + | - | + | - |
EM = electron microscopy