case_images: PMC10880537_01
case_images: The kidney biopsy showed severe tubular injury, with several foci displaying nuclear cytopathic change typical of BKV infection (arrows). Inset: an SV40 stain for BKV antigen is strongly positive in the abnormal tubular nuclei, confirming the presence of BKV.
case_images: 10.1177_23247096241232202-fig1.jpg
case_images: PMC10880537_01_10.1177_23247096241232202-fig1.jpg
case_images: fig1-23247096241232202
case_images: BKV (Figure 1). There was extensive background chronic injury, with about 50% fibrosis and tubular atrophy, but no evidence of HIVAN or any other significant glomerular disease. BK viremia of 600 000 copies/mL was confirmed with PCR.