Fig. 3From: Anti-signal recognition particle positive necrotizing myopathy-sjogren’s syndrome overlap syndrome: a descriptive study on clinical and myopathology featuresImmunohistochemical images of CD23 + B cells and AID from two anti-SRP IMNM overlap SS patients shown germinal center-like structures. Both showed that abundant lymphoid infiltrates with CD23 + B cells and AID expressed in germinal center-like structures. Images of a and b were from one patient, c and d were from the other patient. Scale bar is 50umBack to article page