Survival benefit of pelvic and paraaortic lymphadenectomy in high-grade endometrial carcinoma: a retrospective population-based cohort analysis

Papathemelis, Thomas and Scharl, S. and Kronberger, K. and Gerken, M. and Scharl, A. and Pauer, A. and Klinkhammer-Schalke, M. (2017) Survival benefit of pelvic and paraaortic lymphadenectomy in high-grade endometrial carcinoma: a retrospective population-based cohort analysis. JOURNAL OF CANCER RESEARCH AND CLINICAL ONCOLOGY, 143 (12). pp. 2555-2562. ISSN 0171-5216, 1432-1335

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Abstract

The standard therapy for high-grade endometrial cancer is surgery but the therapeutic effects of pelvic and paraaortic lymph node dissection (LND) are poorly investigated. In this study, we retrospectively evaluated overall survival, recurrence rates and recurrence-free survival among patients with high-grade type I and II endometrial carcinoma who underwent LND. This study included 284 patients who are recorded in the German Tumor Centre Regensburg form 1998 to 2015 and were selected by cancer grading, the absence of secondary tumors, primary surgery including hysterectomy and available follow-up. 244 of the 284 patients in this cohort were unequivocally classified as R0 after resection. A significantly increased overall survival was observed for systematic LND of 25 or more paraaortic and pelvic lymph nodes versus patients who did not undergo such intervention (p < 0.001) or had elective LND of 1-24 lymph nodes both in univariable (p = 0.016) and multivariable (p = 0.014) analysis. A similar observation was made for recurrence-free survival of patients in the cohort who underwent complete tumor resection (R0). In addition, a reduced cumulative recurrence rate was observed for patients with systematic LND. Our study provides evidence that the systematic removal of 25 or more pelvic and paraaortic lymph nodes reduces the recurrence rate and that it is beneficial for the long-term overall and recurrence-free survival of patients with high-grade endometrial cancer.

Item Type: Article
Uncontrolled Keywords: CANCER; TRIAL; Endometrial cancer; Lymphadenectomy; Outcome; Overall survival; Recurrence
Subjects: 600 Technology > 610 Medical sciences Medicine
Divisions: Medicine > Lehrstuhl für Strahlentherapie
Medicine > Zentren des Universitätsklinikums Regensburg > Tumorzentrum e.V.
Depositing User: Dr. Gernot Deinzer
Date Deposited: 14 Dec 2018 13:19
Last Modified: 19 Feb 2019 07:15
URI: https://pred.uni-regensburg.de/id/eprint/1791

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