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. Author manuscript; available in PMC: 2009 Aug 24.
Published in final edited form as: Am J Transplant. 2009 Apr;9(4):812–819. doi: 10.1111/j.1600-6143.2009.02555.x

Figure 1. Immunofluorescence staining for C4d in renal allograft biopsies.

Figure 1

A: Diffuse C4d+ involving >50% of peritubular capillaries. In this case almost 100% of surface area is involved (x200). B: Focal C4d+ is seen in <50% of surface area (x400). C: Negative C4d staining (x200).