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Honing the classification of high-risk endometrial cancer with inclusion of lymphovascular space invasion

Abstract : Objectives: The purpose of this study was to analyse the clinical impact of LVSI status in a large French multicentre cohort of women with high-risk ECs according to the ESMO classification. Methods Data of 258 women with high-risk EC who received primary surgical treatment between January 2001 and December 2012 were abstracted from prospective multicentre database. The end points were the recurrence and the lymph node metastasis (LNM) rates. Recurrence free survival (RFS) and overall survival (OS) were analyzed. Results: The recurrence and LNM rates in the whole population were 32.9% and 34.5%, respectively. The median follow-up and initial recurrence times were 27 (range: 1–151) and 23.5 (range: 1–151) months, respectively. The respective 3-year RFS rates according to the LNM and LVSI status were, 78.3% (95% CI, 70.1–87.3), 53.7% (95% CI, 40.8–70.6), 65.5% (95% CI, 46.1–93.2), 43.5% (95% CI, 30.3–62.3) for women with no LN metastasis/no LVSI; no LN metastasis/LVSI present; LN metastasis/no LVSI; LN metastasis/LVSI present, respectively (p = 0.0005). Conclusions: LVSI status remains a strong prognostic factor in high-risk ECs associated with a higher recurrence rate and lower RFS and OS whatever the histological type and lymph node status. It could thus be considered in future trials to guide decision-making about adjuvant therapy in high-risk ECs.
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Submitted on : Wednesday, July 12, 2017 - 10:44:53 AM
Last modification on : Wednesday, August 19, 2020 - 11:17:26 AM
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Sofiane Bendifallah, Morgane Perrin, Lobna Ouldamer, Vincent Lavoué, Geoffroy Canlorbe, et al.. Honing the classification of high-risk endometrial cancer with inclusion of lymphovascular space invasion. Surgical Oncology, Elsevier, 2017, 26 (1), pp.1-7. ⟨10.1016/j.suronc.2016.11.001⟩. ⟨hal-01558318⟩

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