Fig. 2From: Factors associated with refractory autoimmune necrotizing myopathy with anti-signal recognition particle antibodiesMuscle 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 capillariesBack to article page