Patient | Muscle | Age at Bx | Fibre size variation | Incr. of int. nuclei | Fatty change | Fibrosis | Necrosis | Rimmed vacuoles | Cytoplasmic bodies | Other protein aggregation | Other |
---|---|---|---|---|---|---|---|---|---|---|---|
A:I-I | VL | 72 | y | y | n | n | n | y | y | n | |
A:II-3 | VL | 44 | y | y | n | n | n | y | y | n | |
A:III-1 | VL | 22 | y | n | n | n | n | n | y | n | |
B:III-3 | VL | 55 | y | n | n | n | n | y | y | y | |
B:III-5 | VL | 56 | y | y | n | n | n | n | y | n | |
B:III-10 | RF | 53 | y | y | y | y | n | y | y | n | |
B:III-11 | VL | 57 | n | n | n | n | n | n | y (one fibre) | y | Irregular NADH staining |
C:IV-1 | VL | 40 | y | y | n | n | n | y | y | n | |
D:III-2 | VL | 50 | y | y | y | y | n | y | y | n | Irregular NADH staining |
D:III-10 | VL | 47 | y | y | y | n | n | y | y | Dystrophin | Irregular NADH staining |
E:II-1 | NR | 56 | y | y | y | y | y | y | y (one fibre) | y | Congo red material, grouped atrophy* |
F:II-1 | Q | 52 | n | n | n | n | n | n | y (one fiber) | n | |
G:II-2 | D | 48 | y | n | y | y | n | y | y | n | Autophagic vacuoles, irregular NADH staining grouped atrophy† |
H:II-2 | NR | 24 | y | y | NA | NA | NA | y | y | n | Ring fibres, target fibres |
H-III-2 | D | 20 | y | y | n | y | y | y | y | Desmin, phalloidin, dys | Ring fibres, autophagic vacuoles, irregular NADH and COX staining |
I:II-1 | NR | 57 | y | y | n | n | y | y | y | n | |
J:II-1 | D | 32 | y | y | n | n | y | y | y | n | Lack of SDH and COX staining |
K:II-1 | D | 27 | y | y | n | n | y | y | y | n | Sectorial distribution of morphological lesions |
L:II-1 | D | 52 | y | y | n | n | n | y | y | n | |
L:II-2 | D | 56 | y | y | n | n | n | y | y | EM‡ | Sectorial distribution of morphological lesions |
*In addition: COX-negative fibres, cores phalloidin +, ↑ MHC-1, ↑utrophin.
†In addition: Z-line widening and streaming.
‡EM findings: Several vacuoles that are empty or containing myeloid figures.
D, deltoid; COX, cytochrome oxidase; EM, electron microscopy; n, no; NA, not available; NADH, nicotinamide adenine dinucleotide; NR, not retrieved; Q, quadriceps; RF, rectus femoris; SDH, succinate dehydrogenase; VL, vastus lateralis; y, yes.