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  • Title: Independent predictors of contralateral metachronous upper urinary tract transitional cell carcinoma after nephroureterectomy: multi-institutional dataset from three European centers.
    Author: Novara G, De Marco V, Dalpiaz O, Galfano A, Bouygues V, Gardiman M, Martignoni G, Patard JJ, Artibani W, Ficarra V.
    Journal: Int J Urol; 2009 Feb; 16(2):187-91. PubMed ID: 19054165.
    Abstract:
    OBJECTIVES: To identify the variables predictive of contralateral metachronous upper urinary tract transitional cell carcinoma (UUT-TCC) after nephroureterectomy (NFU) for non-metastatic UUT-TCC. METHODS: Clinical and pathological data of 234 patients who had undergone NFU for UUT-TCC from 1989 to 2005 in three European urological centers were retrospectively collected and analyzed. RESULTS: The median follow-up duration for the whole cohort was 34 months. Contralateral metachronous UUT-TCC was detected in 14 patients (6%). Three patients were treated by NFU, while seven patients underwent ureterectomy and reimplantation and four patients were treated by endoscopic resection plus bacillus Calmette-Guérin instillations within the UUT through a nephrostomic tube. On univariate analysis, a prior history of bladder TCC before NFU was the only factor predictive of the occurrence of contralateral UUT-TCC. Specifically, the 5-year probabilities of being free from contralateral UUT-TCC were 96.6% for the patients with de novo UUT-TCC, and 91.1% and 55.3% for those having non-muscle-invasive and muscle invasive bladder TCC before the UUT cancer, respectively. All survival differences were statistically significant (no history of bladder TCC vs history of non-muscle-invasive bladder TCC, log rank P value 0.015; history of non-muscle-invasive bladder TCC vs history of muscle-invasive bladder TCC, log rank P value 0.035). CONCLUSIONS: In our multicenter dataset of patients who had undergone NFU for UUT-TCC, contralateral metachronous UUT-TCC occurred in 6% of the patients. A prior history of bladder TCC before NFU was the only variable predictive of UUT recurrence at univariate analysis.
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