Muscle pathology. 3a: ATP-ase reaction at pH 4.6 shows regular sizes and normal chessboard distribution of 3 fiber types. Patient 2. 3b: Gomori trichrome shows normal image; absence of ragged-red fibers. Patient 1. 3c: Cytochrome oxidase activity shows normal distribution of mitochondria in distinct fiber types; compare to 3d. Patient 3. 3d: NADH-tetrazolium reductase shows normal distribution of mitochondria; compare to COX stain in 3c. Patient 1.
Roels et al. BMC Clinical Pathology 2009 9:4 doi:10.1186/1472-6890-9-4