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Fig. 2 | BMC Neurology

Fig. 2

From: Amyloid myopathy mimicked with idiopathic inflammatory myopathy diagnosed using Congo red staining: a case report

Fig. 2

HE staining and immunohistochemical results. Hematoxylin eosin staining(A) shows a small number of denatured, necrotic and regenerated muscle fibers, connective tissue hyperplasia, edema, and a small number of inflammatory cells between muscle fibers, with inflammatory cells surrounding non-necrotic muscle fibers. (Magnification X 100) Muscle Congo red staining shows small amyloid deposits around blood vessels and some muscles under a light microscope (B) and apple green birefringence changes under a polarized light microscope (C). (Magnification X 100). Immunohistochemical results：The skeletal muscle sections were positive for CD3(D), CD8(E), CD68(F), CD4(G), MAC(H) and MHC(I). (Magnification X 400)

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BMC Neurology

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