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Fig. 2 | Orphanet Journal of Rare Diseases

Fig. 2

From: Factors associated with refractory autoimmune necrotizing myopathy with anti-signal recognition particle antibodies

Fig. 2

Muscle pathology of ANM-SRP (× 400). Muscle fibers show necrosis (a, arrow) and regeneration (b, arrow), with little inflammatory cell infiltration (H&E staining); MAC staining (c) showed MAC deposition of necrotic muscle fiber and non-necrotic sarcolemma (arrow) and MHC-I staining (d) showed positive expression of sarcolemma and partial cytoplasm, accompanied by decreased capillaries

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