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Fig. 8A. 45-year-old man with 15-year history of interstitial cystitis
now with asymptomatic, but persistent, microhematuria. Postrelease scout
images from CT scan (A) and average-projection image (B) from
contrast-enhanced CT scan show mild right hydroureteronephrosis to level of
distal ureter, with abrupt termination of contrast column and filling defect
(arrows) perceptible.