Gynecologic oncology · 2020
Is there any therapeutic role of pelvic and para-aortic lymphadenectomy in apparent early stage epithelial ovarian cancer?
СтатьяМногоцентровое исследованиеНазвание и аннотация: Перевод пока не подготовлен
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Bizzarri Nicolò, du Bois Andreas, Fruscio Robert, De Felice Francesca, De Iaco Pierandrea, Casarin Jvan, Vizza Enrico, Chiantera Vito, Corrado Giacomo, Cianci Stefano, Magni Sonia, Ferrari Debora, Giuliani Daniela, Harter Philipp, Ataseven Beyhan, Bommert Mareike, Perrone Anna Myriam, Scambia Giovanni, Fagotti Anna
Аннотация
OBJECTIVE: The therapeutic role of pelvic and para-aortic lymphadenectomy in surgical staging of apparent early-stage epithelial ovarian cancer (eEOC) is still under debate. The aim of this study was to evaluate the potential therapeutic role of systematic lymphadenectomy in patients with eEOC.
METHODS: Multi-center retrospective cohort study, comparing women with apparent eEOC who underwent comprehensive bilateral pelvic and para-aortic lymphadenectomy (defined as ≥20 lymph nodes) versus patients receiving no lymphadenectomy or lymph node sampling, from 05/1985 to 12/2016. Patients with bulky nodes at CT-scan and those without complete intra-peritoneal surgical staging were excluded. Only patients who received at least 3 cycles of platinum-based adjuvant chemotherapy were included.
RESULTS: Out of 2559 patients with FIGO stage IA-IIIA1 ovarian cancer, 639 (25.0%) met inclusion criteria. 360 (56.3%) underwent comprehensive lymphadenectomy, 150 (23.5%) lymph node sampling and 129 (20.2%) no lymphadenectomy. Patients who underwent comprehensive lymphadenectomy were younger (p < 0.001), experienced a higher number of severe post-operative complications (p = 0.008) and had a longer time to start chemotherapy (p = 0.034). There was no difference in intra-operative complications. Median follow-up was 63 months (range, 5-342). The 5-year disease-free survival (DFS) was 79.7% vs. 76.5% vs. 68.3% (p = 0.006), and 5-year overall survival (OS) was 92.3% vs. 94.5% vs. 89.8% (p = 0.165) in women who received comprehensive lymphadenectomy vs. lymph node sampling vs. no lymphadenectomy, respectively. Lymphadenectomy represented an independent factor for DFS improvement, HR 0.52 (95%CI 0.37-0.73) (p < 0.001).
CONCLUSION: Pelvic and para-aortic lymphadenectomy in surgical staging of eEOC improves DFS for the price of increasing post-operative complications and time to chemotherapy but does not affect OS. Better understanding of tumor biology may help to identify those patients in whom lymphadenectomy should still play a role.
METHODS: Multi-center retrospective cohort study, comparing women with apparent eEOC who underwent comprehensive bilateral pelvic and para-aortic lymphadenectomy (defined as ≥20 lymph nodes) versus patients receiving no lymphadenectomy or lymph node sampling, from 05/1985 to 12/2016. Patients with bulky nodes at CT-scan and those without complete intra-peritoneal surgical staging were excluded. Only patients who received at least 3 cycles of platinum-based adjuvant chemotherapy were included.
RESULTS: Out of 2559 patients with FIGO stage IA-IIIA1 ovarian cancer, 639 (25.0%) met inclusion criteria. 360 (56.3%) underwent comprehensive lymphadenectomy, 150 (23.5%) lymph node sampling and 129 (20.2%) no lymphadenectomy. Patients who underwent comprehensive lymphadenectomy were younger (p < 0.001), experienced a higher number of severe post-operative complications (p = 0.008) and had a longer time to start chemotherapy (p = 0.034). There was no difference in intra-operative complications. Median follow-up was 63 months (range, 5-342). The 5-year disease-free survival (DFS) was 79.7% vs. 76.5% vs. 68.3% (p = 0.006), and 5-year overall survival (OS) was 92.3% vs. 94.5% vs. 89.8% (p = 0.165) in women who received comprehensive lymphadenectomy vs. lymph node sampling vs. no lymphadenectomy, respectively. Lymphadenectomy represented an independent factor for DFS improvement, HR 0.52 (95%CI 0.37-0.73) (p < 0.001).
CONCLUSION: Pelvic and para-aortic lymphadenectomy in surgical staging of eEOC improves DFS for the price of increasing post-operative complications and time to chemotherapy but does not affect OS. Better understanding of tumor biology may help to identify those patients in whom lymphadenectomy should still play a role.