 H&E stain Muscle fiber size: Varied Basophilic fibers: Scattered Endomysial connective tissue: Increased |
 H&E stain Muscle fiber size: Varied Scattered very small fibers Some small fibers are basophilic Internal nuclei |
 Gomori trichrome stain Muscle fiber size: Varied Endomysial connective tissue: Increased |
 Acid phosphatase stain Positive staining cells associated with necrotic fiber |
 NADH stain Scattered small immature muscle fibers with coarse internal architecture |
 ATPase pH 11 stain |