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Transitional Cell Cancer of the Renal Pelvis and Ureter Treatment (PDQ®): Treatment - Health Professional Information [NCI] - General Information About Transitional Cell Cancer of the Renal Pelvis and Ureter

Incidence and Mortality

Transitional cell carcinoma of the renal pelvis, accounting for only 7% of all kidney tumors, and transitional cell cancer of the ureter, accounting for only 1 of every 25 upper tract tumors, are curable in more than 90% of patients if they are superficial and confined to the renal pelvis or ureter. Patients with deeply invasive tumors that are still confined to the renal pelvis or ureter have a 10% to 15% likelihood of cure. Patients with tumors with penetration through the urothelial wall or with distant metastases usually cannot be cured with currently available forms of treatment.

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Prognosis

The major prognostic factor at the time of diagnosis of upper tract transitional cell cancer is the depth of infiltration into or through the uroepithelial wall.

Most superficial tumors are likely to be well differentiated, while infiltrative tumors are likely to be poorly differentiated. The incidence of synchronous or metachronous contralateral upper tract cancers ranges from 2% to 4%; the incidence of subsequent bladder cancer after prior upper tract transitional cell cancer ranges from 30% to 50%.[1] When involvement of the upper tract is diffuse (involving both the renal pelvis and ureter), the likelihood of subsequent development of bladder cancer increases to 75%. DNA ploidy has not added significant prognostic information beyond that provided by stage and grade.[2]

Diagnostics

Even if ureteroscopy and pyeloscopy are successfully implemented, accurate assessment of depth of invasion is difficult.

Treatment Management and Survivorship

Total excision of the ureter with a bladder cuff, renal pelvis, and kidney is recommended in an attempt to provide the greatest likelihood of cure.

References:

  1. Krogh J, Kvist E, Rye B: Transitional cell carcinoma of the upper urinary tract: prognostic variables and post-operative recurrences. Br J Urol 67 (1): 32-6, 1991.
  2. Corrado F, Ferri C, Mannini D, et al.: Transitional cell carcinoma of the upper urinary tract: evaluation of prognostic factors by histopathology and flow cytometric analysis. J Urol 145 (6): 1159-63, 1991.

    This information is produced and provided by the National Cancer Institute (NCI). The information in this topic may have changed since it was written. For the most current information, contact the National Cancer Institute via the Internet web site at http:// cancer .gov or call 1-800-4-CANCER.

    WebMD Public Information from the National Cancer Institute

    Last Updated: May 28, 2015
    This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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