Abstract
IntroductionCompleteness of cytoreduction is the most important prognostic factor in patients with advanced ovarian cancer (OC). Extensive upper abdominal surgery has allowed to increase the rate complete cytoreduction and the feasibility of resection of celiac lymph nodes (CLN) and porta hepatis disease in these patients has been demonstrated. The aim of our study was to assess the prognostic impact of CLN involvement in patients with primary advanced OC undergoing a complete cytoreductive surgery (CRS). Material and methodsWe designed a retrospective unicentric study. We reviewed data from patients who underwent CLN resection with or without porta hepatis disease resection, within upfront or interval complete CRS in the frontline treatment of advanced epithelial OC between January 2008 and December 2015. Patients were classified in two groups according to CLN status. Univariate and multivariate analyses were conducted. Survival rates were estimated using Kaplan-Meier method. ResultsForty-three patients were included and positive CLN were found in 39.5% of them. The median disease-free survival in the group of patients with positive and negative CLN were 11.3 months and 25.8 months, respectively. In multivariable analysis, both CLN involvement and high peritoneal cancer index were independently associated with decreased disease-free survival. Computed tomography re-reading by an expert radiologist has good sensitivity for detection of positive CLN. ConclusionCLN involvement and high preoperative tumor burden are independently associated with decreased survival after complete cytoreduction for OC. CLN involvement is a marker of diffuse disease and an independent risk factor for early recurrent disease.
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