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Does the extent of lymphadenectomy in radical cystectomy for bladder cancer influence disease-free survival? A prospective single-center study.

Abstract：

BACKGROUND:Controversy exists regarding the optimal extent of lymphadenectomy and the number of lymph nodes to be retrieved at radical cystectomy (RC). OBJECTIVE:To compare the disease-free survival of patients with standard lymphadenectomy (endopelvic region composed of the internal, external iliac, and obturator groups of lymph nodes) versus extended lymphadenectomy (up to the level of origin of the inferior mesenteric artery) at RC in a prospective cohort of patients at a single, high-volume center. DESIGN, SETTING, AND PARTICIPANTS:Prospective data were collected from 400 consecutive patients treated with RC for bladder cancer by two high-volume surgeons at Mansoura Urology and Nephrology Center. Of the 400 patients, 200 (50%) received extended lymphadenectomy and the other 200 (50%) underwent standard lymphadenectomy at RC. The patients did not receive any neoadjuvant or adjuvant therapy. MEASUREMENTS:Patient characteristics and outcomes are evaluated. RESULTS AND LIMITATIONS:Median patient age for the entire group was 53.0 yr. Ninety-six patients (24.0%) had lymph node metastases. Median follow-up was 50.2 mo. Estimates of 5-yr disease-free survival in the extended lymphadenectomy group were 66.6% compared with 54.7% for patients with standard lymphadenectomy (p = 0.043). Extended lymphadenectomy was associated with better disease-free survival after adjusting for the effects of standard pathologic features (p = 0.02). When restricting the analyses to lymph node-positive patients, patients with extended lymphadenectomy had much better 5-yr disease-free survival compared with patients with standard lymphadenectomy (48.0% vs 28.2%; p = 0.029). The study was nonrandomized. CONCLUSIONS:Extended lymphadenectomy is associated with better disease-free survival for bladder cancer patients with endopelvic lymph node involvement and should be considered in these patients.

journal_name

Eur Urol

journal_title

European urology

authors

Abol-Enein H,Tilki D,Mosbah A,El-Baz M,Shokeir A,Nabeeh A,Ghoneim MA

doi

10.1016/j.eururo.2011.05.062

subject

Has Abstract

pub_date

2011-09-01 00:00:00

pages

572-7

issue

eissn

0302-2838

issn

1873-7560

pii

S0302-2838(11)00610-5

journal_volume

pub_type

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Does the extent of lymphadenectomy in radical cystectomy for bladder cancer influence disease-free survival? A prospective single-center study.