The Extent of Lymphadenectomy Seems to Be Associated with Better Survival in Patients with Nonmetastatic Upper-Tract Urothelial Carcinoma: How Many Lymph Nodes Should Be Removed?

被引：132

作者：

Roscigno, Marco ^{[1
]}

Shariat, Shahrokh F. ^{[2
]}

Margulis, Vitaly

Karakiewicz, Pierre ^{[13
]}

Remzi, Mesut ^{[4
]}

Kikuchi, Eiji ^{[7
]}

Zigeuner, Richard ^{[8
]}

Weizer, Alon ^{[9
]}

Sagalowsky, Arthur ^{[2
]}

Bensalah, Karim ^{[12
]}

Raman, Jay D. ^{[11
]}

Bolenz, Christian ^{[6
]}

Kassou, Wassim ^{[6
]}

Koppie, Theresa M. ^{[10
]}

Wood, Christopher G. ^{[5
]}

Wheat, Jeffrey ^{[9
]}

Langner, Cord ^{[8
]}

Ng, Casey K. ^{[11
]}

Capitanio, Umberto ^{[13
]}

Bertini, Roberto ^{[1
]}

Fernandez, Mario L. ^{[3
]}

Mikami, Shuji ^{[7
]}

Isida, Masaru ^{[7
]}

Stroebel, Philipp ^{[6
]}

Montorsi, Francesco ^{[1
]}

机构：

[1] Univ Vita Salute San Raffaele, I-20132 Milan, Italy

[2] Univ Texas SW Med Ctr Dallas, Dallas, TX 75390 USA

[3] Clin Alemana Santiago, Santiago, Chile

[4] Univ Vienna, Vienna, Austria

[5] Univ Texas MD Anderson Canc Ctr, Houston, TX 77030 USA

[6] Heidelberg Univ, Univ Med Ctr Mannheim, Heidelberg, Germany

[7] Keio Univ, Sch Med, Tokyo, Japan

[8] Med Univ Graz, Graz, Austria

[9] Univ Michigan, Ann Arbor, MI 48109 USA

[10] Univ Calif Davis, Sacramento, CA 95817 USA

[11] Cornell Univ, New York, NY 10021 USA

[12] Univ Rennes, Rennes, France

[13] Univ Montreal, Montreal, PQ, Canada

来源：

EUROPEAN UROLOGY | 2009年 / 56卷 / 03期

关键词：

Lymph node dissection; Prognosis; Urinary tract cancer; Urothelial carcinoma; Nephroureterectomy; Survival; Metastasis; TRANSITIONAL-CELL-CARCINOMA; UPPER URINARY-TRACT; PELVIC LYMPHADENECTOMY; RADICAL CYSTECTOMY; PROGNOSTIC-FACTORS; NODAL INVOLVEMENT; BLADDER-CANCER; IMPACT; NEPHROURETERECTOMY; DISSECTION;

D O I：

10.1016/j.eururo.2009.06.004

中图分类号：

R5 [内科学]; R69 [泌尿科学（泌尿生殖系疾病）];

学科分类号：

1002 ; 100201 ;

摘要：

Background: The role and extent of lymphadenectomy in patients with upper-tract urothelial carcinoma (UTUC) is debated. Objective: To establish whether the number of lymph nodes (LNs) removed might be associated with better cause-specific survival in patients with UTUC. Design, setting, and participants: The study included 552 consecutive patients who underwent radical nephroureterectomy (RNU) and lymphadenectomy between 1992 and 2006. Intervention: Patients were treated with RNU and lymphadenectomy. Measurements: Univariable and multivariable Cox proportional hazards regression models addressed the association between the number of LNs removed and cause-specific mortality (CSM). The number of LNs removed was coded as a cubic spline to allow for nonlinear effects. Finally, the most informative cut-off for the number of removed LNs was identified. Results and limitations: in the entire population, the number of LNs removed was not associated with CSM. in univariable (hazard ratio [HR]: 0.99; p = 0.16) or in multi-variable (HR: 0.97; p = 0.12) analyses. In contrast, in the subgroup of pNO patients (n = 412), the number of LNs removed achieved the independent predictor status of CSM (HR: 0.93; p = 0.02). Eight LNs removed was the most informative cut-off in predicting CSM (HR: 0.42; p = 0.004). The inclusion of the variable defining dichotomously the number of removed LNs (<8 vs >= 8) in the base model (age, Eastern Cooperative Oncology Group performance status, pathologic stage, grade, architecture, and lymphovascular invasion) significantly increased the accuracy in predicting CSM (+1.7%; p < 0.001). Conclusions: The extension of the lymphadenectomy in pNO UTUC patients seems to be associated with CSM. Longer survival was observed in patients in whom at least eight LNs had been removed. (C) 2009 European Association of Urology. Published by Elsevier B.V. All rights reserved.

引用

页码：512 / 518

页数：7

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