Hydronephrosis Resulting from Bilateral Ureteral Stenosis: A Late Complication of Polyoma BK Virus Cystitis?

Figure 3

Urothelial mucosa with erosions, edema, fresh bleedings, and bleeding residues. Moderate inflammatory reaction (a). Immunohistochemically, large T antigen could not be visualized (b) ((a) magnification $\times$100, (b) magnification $\times \hspace{0.17em}$400).

(a)

(b)