A Retrospectively Diagnosed Case of IgG4-Related Tubulointerstitial Nephritis Showing Good Renal Outcome and Pathological Progress
Figure 1
Lymph node biopsy tissue showing numerous plasma cells and fibrotic fibers ((a), HE staining, ). Immunohistological analysis revealed abundant CD79a-positive B cells ((b), ) and polyclonal plasma cells secreting kappa and lambda chains ((c) and (d), ). The existence of large numbers of IgG4-positive plasma cells was confirmed ((e), ).
