FIGURE 3.
Immunohistochemistry of the inflammatory cells in renal cortex shows IgG-positive plasma cells, with 50% to 60% of these cells also being positive for IgG4 (brown) (×400).
Immunohistochemistry of the inflammatory cells in renal cortex shows IgG-positive plasma cells, with 50% to 60% of these cells also being positive for IgG4 (brown) (×400).