Fig. 3From: Immunoglobulin G4-related disease diagnosed by prostate biopsy: a case reportThe immunohistochemical evaluation of the biopsy specimens indicated positive IgG and IgG4 immunostaining: IgG4+/IgG+ cell ratio was > 40%, and the number of IgG4+ plasma cells was > 10 per high-power field. a IgG immunostaining. (× 200). b IgG4 immunostaining. (× 200). c IgG4 immunostaining. (× 400)Back to article page