Clinical, Histological, and Immunohistochemical Findings in Inclusion Body Myositis

Figure 2

Histological findings in muscle biopsy of patients with sIBM. (a) Endomysial inflammatory reaction (arrows) and global dystrophic pattern (case 4(b)) (H&E). (b) Endomysial inflammatory reaction (white arrow) and rimmed vacuoles (black arrow) (case 4(b)) (Gomori’s trichrome). (c) Oxidative defects (case 7(b)) (NADH). (d) Cytochrome C oxidase deficiency (arrows) (case 7(b)). (e) Intense acid phosphatase reaction (case 6). (f) Positive Congo-red staining (arrows) (case 6).

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