Abstract
Purpose
To delineate the relevance of pelvic and para-aortic node involvement in optimally cytoreduced (residual tumour <1 cm) stage IIIC ovarian cancer patients.
Methods
Ninety-five consecutive optimally cytoreduced (R ≤ 1 cm) patients with primary stage IIIc ovarian cancer underwent stage-related surgery and got adjuvant platinum-based chemotherapy. Median follow-up: 53.5 months. All patients got systematic lymphadenectomy. On average, 24.7 pelvic and para-aortic lymph nodes were removed per patient (range 1–60 nodes). Patients were stratified into three groups to evaluate node involvement (ratio: affected to resected nodes): (1) (=0); (2) (>0–≤0.5) >0 and ≤50 % of affected nodes; (3) (>0.5–≤1) >50 % of affected nodes. Clinical parameters were retrospectively evaluated. Kaplan–Meier survival curve was used to evaluate the prognostic value.
Results
Most often serous histology, histologic grade 3 and a node ratio >0–≤0.5 (61.1 %) were detected. Complete cytoreduction (R = 0 mm) has significant best prognostic impact compared to R > 0 mm–1 cm (OS: p = 0.047, PFS: p = 0.00). Node involvement was associated with serous histology and grade 3. Increasing node ratio leads to significant decreased OS (p = 0.019) and significant best OS was associated with node ratio >0–≤0.5.
Conclusions
The goal is optimal cytoreduction in advanced ovarian cancer. More extensive lymphadenectomy seems to play an important role in providing an accurate staging, and the node ratio might give prognostic information. Current prospective studies like the LION study (AGO-Ovar) had to investigate if these data have therapeutic implications and may be considered in future staging.
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Our investigation of 95 patients has been approved by the appropriate ethics committee and has therefore been performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki. All persons gave their informed consent prior to their inclusion in the study.
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The Editor-in-Chief has decided to retract this article. Upon investigation by an independent researcher, it has been found that the authors have duplicated data from the following article: Role of Pelvic and Para-aortic Lymph Node Metastases in Optimally Cytoreduced Advanced Ovarian Cancer; Bachmann C, Brucker SY, Kraemer B, Rothmund R, Staebler A, Fend F, Wallwiener D, Grischke EM. Anticancer Res. 2015 Jun;35(6):3479-84
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Bachmann, C., Brucker, S.Y., Kraemer, B. et al. RETRACTED ARTICLE: The prognostic relevance of node metastases in optimally cytoreduced advanced ovarian cancer. J Cancer Res Clin Oncol 141, 1475–1480 (2015). https://doi.org/10.1007/s00432-015-1945-y
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DOI: https://doi.org/10.1007/s00432-015-1945-y