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Lymphovascular invasion as a criterion for adjuvant chemotherapy for FIGO stage I-IIa clear cell carcinoma, mucinous,low grade serous and low grade endometrioid ovarian cancer

Abstract : BACKGROUND: The aim of this study was to evaluate the impact of lymphovascular space invasion (LVSI) on overall survival (OS) and recurrence-free survival (RFS) in patients managed for stage I-IIa clear cell carcinoma, mucinous, low-grade serous and low-grade endometrioid ovarian cancer MATERIAL AND METHODS: Retrospective multicentre study of the research group FRANCOGYN between January 2001 and December 2018. All patients managed for stage I-IIa clear cell carcinoma, mucinous /low grade serous and endometrioid ovarian cancer and for whom the presence of histological slides for the review of LVSI was available, were included. Patient’s characteristics with LVSI (LVSI group) were compared to those without LVSI (No LVSI group). A cox analysis for OS and RFS analysis were performed in all population. RESULTS: Over the study period, 133 patients were included in the thirteen institutions. Among them, 12 patients had LVSI (9%). LVSI was an independent predictive factor for poorer Overall and recurrence free survivals. LVSI affected OS (p<0.001) and RFS (p=0.0007), CONCLUSION: The presence of LVSI in stage I-IIa clear cell carcinoma, mucinous /low grade serous and endometrioid ovarian cancer has an impact on OS and RFS and should put them at high risk and consider the option of adjuvant chemotherapy.
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https://hal.archives-ouvertes.fr/hal-03283101
Contributor : Laurent Jonchère Connect in order to contact the contributor
Submitted on : Friday, July 16, 2021 - 2:53:20 PM
Last modification on : Friday, May 20, 2022 - 11:06:35 AM
Long-term archiving on: : Sunday, October 17, 2021 - 6:48:54 PM

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Julie Delvallée, Mathilde Cancel, Gilles Body, Sofiane Bendifallah, Cyril Touboul, et al.. Lymphovascular invasion as a criterion for adjuvant chemotherapy for FIGO stage I-IIa clear cell carcinoma, mucinous,low grade serous and low grade endometrioid ovarian cancer. Journal of Gynecology Obstetrics and Human Reproduction, Elsevier, 2021, 50 (10), pp.102193. ⟨10.1016/j.jogoh.2021.102193⟩. ⟨hal-03283101⟩

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