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Fig. 5 —48-year-old man with history of bladder transitional cell carcinoma.
Patient had undergone resection and bacille Calmette-Guérin (BCG)
treatment with negative cystoscopy. Axial image from CT urography shows
circumferential thickening of distal left ureter (open arrows) with
periureteric stranding, thought to represent recurrent tumor, and normal right
ureter (arrow). Ureteroscopy revealed stricture in this region with
no visible tumor. Ureteroscopic biopsy of this region, performed on two
separate occasions 2 years apart, revealed only inflammatory changes with no
carcinoma. Follow-up imaging over past 4 years has shown no significant change
in appearance of this stricture.