Case Report
Copyright ©The Author(s) 2015.
World J Clin Cases. Jul 16, 2015; 3(7): 650-654
Published online Jul 16, 2015. doi: 10.12998/wjcc.v3.i7.650
Figure 1
Figure 1 Perifollicular histiocytic granulomas that formed a wreath around the entire follicle. A: Hematoxylin and eosin stain; B: CD138 immunohistochemical stain highlights the plasma cells; C: Immunoglobulin G (IgG) immunohistochemical stain; D: IgG4 immunohistochemical stain demonstrated that more than 80% of IgG+ cells were positive for IgG4.