Endometrial cancer-how many patients could benefit from sentinel lymph node dissection?

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Abstract

Background: Sentinel lymph node dissection (SLND) may reduce morbidity in patients with endometrial cancer. The objective of this study is to estimate how many systematic lymph node dissections (LND) can be spared with an implementation of a SLN-procedure. Methods: Retrospective, single-center study, SLND according to NCCN-Guidelines. Results: In 109 patients of 154 consecutive patients, SLND was performed. The detection rate was 61% on both sides and 86% on at least one side. Classification of uterine risk factors is as follows: low risk 53, intermediate risk 25, high-intermediate risk 13, and high-risk 18. Stage IIIC: 0, 3, 7, 11, respectively. Under the assumption that 56 patients with "higher than low risk" factors would be treated by systematic LND, we spared 26 pelvic and paraaortic LND. After failures of SLN detection, unilateral pelvic LND was performed in 15 patients. Patients with "higher than low risk" factors and node-negative SLN are candidates for a randomized study to prove safety and efficacy. Only every third patient in our study met these criteria. Conclusions: In a cohort of patients with "higher than low risk" endometrial cancer, the implementation of SLND nearly divided the number of radical lymph node dissections in half. Further studies are required to define the best modalities for SLND.

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Brugger, S., Hamann, M., Mosner, M., Beer, M., Braun, M., & Pölcher, M. (2018). Endometrial cancer-how many patients could benefit from sentinel lymph node dissection? World Journal of Surgical Oncology, 16(1). https://doi.org/10.1186/s12957-018-1392-8

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