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  • Title: Outcome after radical cystectomy with limited or extended pelvic lymph node dissection.
    Author: Dhar NB, Klein EA, Reuther AM, Thalmann GN, Madersbacher S, Studer UE.
    Journal: J Urol; 2008 Mar; 179(3):873-8; discussion 878. PubMed ID: 18221953.
    Abstract:
    PURPOSE: We compared recurrence patterns and survival of patients with urothelial bladder cancer undergoing radical cystectomy who either had limited or extended pelvic lymph node dissection at 2 institutions between 1987 and 2000. MATERIALS AND METHODS: Two consecutive series of patients treated with radical cystectomy and limited pelvic lymph node dissection (336; Cleveland Clinic) and extended pelvic lymph node dissection (322; University of Bern) were analyzed. All cases were staged N0M0 prior to radical cystectomy, and none were treated with neoadjuvant radiotherapy or chemotherapy. Patients with PTis/pT1 and pT4 disease were excluded from analysis. Pathological characteristics based on the 1997 TNM system and recurrence patterns were determined. RESULTS: The overall lymph node positive rate was 13% for patients with limited and 26% for those who had extended pelvic lymph node dissection. The 5-year recurrence-free survival of patients with lymph node positive disease was 7% for limited and 35% for extended pelvic lymph node dissection. The 5-year recurrence-free survival for pT2pN0 cases was 67% for limited and 77% for extended pelvic lymph node dissection, and the respective percentages for pT3pN0 cases were 23% and 57% (p <0.0001). The 5-year recurrence-free survival for pT2pN0-2 cases was 63% for limited and 71% for extended pelvic lymph node dissection, and for pT3pN0-2 cases the respective figures were 19% and 49% (p <0.0001). Incidence of local and systemic failure correlated closely with pathological stage for both series. CONCLUSIONS: Our data suggest that limited pelvic lymph node dissection is associated with suboptimal staging, poorer outcome for patients with node positive and node negative disease, and a higher rate of local progression. Extended pelvic lymph node dissection allows for more accurate staging and improved survival of patients with nonorgan confined and lymph node positive disease.
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