FIGURE 1 Light microscopy of the patient's kidney biopsy sample.
From the following article:
A case of polyomavirus-associated nephropathy presenting late after transplantation
Shweta Bansal, M Scott Lucia and Alexander Wiseman
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Figure 1. Light microscopy of the patient's kidney biopsy sample.
(A) Renal biopsy sample showing glomerular sclerosis, interstitial fibrosis, tubular atrophy (arrowheads), and ongoing interstitial inflammation (arrows; trichrome stain, magnification 
200). (B) Renal parenchyma with interstitial nephritis and tubulitis (arrowheads; hematoxylin and eosin stain, magnification 400). Inset showing tubular inflammation with lymphocytes and neutrophils in a tubule with striking polyomavirus nuclear inclusions (arrow; hematoxylin and eosin stain, magnification 600). (C) Immunohistochemistry for simian virus 40 (SV40) antigen showing staining of numerous nuclear viral inclusions (staining for SV40 antigen, magnification 400).
