Figure 3.
Histological findings in the kidney by the immunoenzyme method with formalin-fixed paraffin-embedded sections. (a, b) IgG-positive plasma cells were not detected in the interstitial compartment (IgG staining a: ×100, b: ×400). (c, d) IgM-positive plasma cells were not seen (IgM staining c: ×100, d: ×400). (e, f) Some of the cells in the interstitium were CD138-positive (CD138 staining e: ×100, f: ×400).