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Figure 4. Transitional cell carcinoma. Circumferential ureteral wall thickening is present in the mid left ureter of this patient who presented with haematuria (arrow). Note that the ureteral lumen is not narrowed significantly. No abnormality was detected on the three-dimensional reconstructions. It is likely that an excretory urogram would have been normal as well. Subsequent ureteroscopy confirmed that the thickening was produced by an infiltrative transitional cell carcinoma.
