The Italian version of the Ureteral Stent Symptoms Questionnaire is a reliable and robust instrument that can be self-administered to male and female Italian patients with an indwelling ureteral stent in the clinical and research settings.

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e16102 Background: Recent data suggest that extended lymph node (LN) dissection at radical prostatectomy (RP) may be necessary to detect occult positive lymph nodes, and that extended dissection may also have a positive impact on disease progression and long-term disease-free survival. However, evaluation of lymphadenectomy to be complete and sufficient as judged by the number of removed lymph nodes is sometimes difficult. Some authors reported that approximately 20 pelvic lymph nodes may serve as a guideline for a sufficient extended lymph node dissection during RP. The purposes of this study were 1) to assess the reproducibility of this number (20 LN) in experienced hands; 2) to evaluate the effect of the number of LNs removed on lymph node metastasis. Materials and Methods: Data from 293 consecutives patients undergone to RP with extended lymphadenectomy were prospectively analyzed [median age 66 (35–79), median PSA 7.98 ng/ml (2.5–35)]. The number of lymph nodes extracted and the number of patients with positive lymph nodes detected were analyzed and compared. Moreover we distinguished and analyzed RPs data of most experienced surgeon: 124 patients [median age 65aa (44–79), median PSA 6.7(2.5–19)]. Results: Analyzing all the population, the median number of removed lymph nodes was 15 (1–39). Analyzing only the most experienced surgeon results, the median number of removed lymph nodes was 20 (range 6–39). The effect of the number of LNs removed on lymph node metastasis is shown in the Table . Conclusions: Compared to limited lymph node dissection (< 10 removed LNs), extended pelvic lymphadenectomy appears to identify men with positive lymph nodes more frequently. Although very experienced surgeons remove approximately 20 pelvic lymph nodes (comparable to the literature), our results seem to underline that 15 removed LNs are sufficient as a guideline for an extended lymph node dissection during RP. [Table: see text] No significant financial relationships to disclose.