Fig. 3From: Factors associated with refractory autoimmune necrotizing myopathy with anti-signal recognition particle antibodiesBAFF staining of ANM-SRP(×1000). BAFF was positively expressed on the surface of inflammatory cells in endomysium (a, b, arrow) and on the surface of inflammatory cells invading necrotic muscle fibers (c, arrow). No BAFF positive expression was found in healthy control (d)Back to article page