Introduction: The treatment preserving the kidney for upper urinary tract (UUT) transitional cell carcinoma (TCC) is still controversial. We aimed to elucidate the results of open conservative surgery and compare them with the results of radical nephroureterectomy (RNU). Patients and Methods: The study included 107 patients with UUT TCC treated by open conservative surgery (21 patients) or nephroureterectomy (86 patients). Epidemiological, clinical and pathological characteristics of patients as well as 5-year survival rates were compared between groups. Results: Patients treated by conservative surgery had a significantly higher rate of bilateral tumors (38% vs. 3%, p = 0.0001) and smaller tumor size than those treated by radical operations (2.60 ± 1.24 vs. 3.99 ± 3.94 cm, p = 0.060). Five-year survival rates for patients treated by conservative and radical surgery were 59 and 55%, respectively. Within the group of patients treated by conservative surgery, 5-year overall survival rates of patients operated due to imperative and elective indications were 41 and 75%, respectively. In univariate analysis, RNU was a statistically significant predictor of poorer outcome of the disease in comparison with conservative surgery (HR = 2.2, 95% CI 1.1–4.6, p = 0.030). Conclusions: The mode of operation affects the outcome of UUT TCC patients, in addition to factors such as tumor grade, stage and size.

Keywords:
Upper urinary tract tumors, Urothelial cancer, Radical nephroureterectomy, Open conservative surgery
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© 2009 S. Karger AG, Basel
2009
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