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  • Title: Lymph node metastasis in grossly apparent early-stage epithelial ovarian cancer: A retrospective clinical study at a tertiary institute.
    Author: Zhu M, Li J, Lu L, Duan J, Jiang W.
    Journal: J Cancer Res Ther; 2024 Aug 01; 20(4):1300-1305. PubMed ID: 39206992.
    Abstract:
    OBJECTIVE: This study aimed to evaluate the incidence and predict the risk factors of lymph node (LN) metastasis among patients with grossly apparent early-stage epithelial ovarian cancer (EOC). METHODS: We retrospectively reviewed the clinicopathologic data and follow-up information of 266 patients who underwent LN dissection for apparent early-stage EOC between January 2018 and September 2022 at the Obstetrics and Gynecology Hospital of Fudan University. RESULTS: Among 266 patients, 44 (16.5%) showed LN metastasis, of which 65.9% and 59.1% presented in the pelvic region and para-aortic region, respectively. Univariate analysis revealed higher LN positivity in patients with high-grade serous carcinoma (HGSC), preoperative imaging suggestive of LN metastasis, bilateral adnexal involvement, lymphovascular space invasion (LVSI), positive peritoneal cytology, and clinical stage IIA. LN metastases were identified in 7.9%, 10.2%, and 39.7% of clinical stage IA/B, IC, and IIA disease cases, respectively. Multivariate analysis confirmed significantly higher LN positivity rates in patients with HGSC, LVSI, and clinical stage IIA. In clinical stage IIA EOC, the 3-year progression-free survival (PFS) rates were 65.8% and 77.4% (P = 0.360) for LN-negative and LN-positive groups, respectively. In clinical stage I EOC, the 3-year PFS rates were 93.5% and 59.4% (P < 0.001) for LN-negative and LN-positive groups, respectively. CONCLUSIONS: High-grade serous histology, LVSI, and clinical stage IIA disease are predictive factors for LN involvement in early-stage EOC. In addition, LN metastasis appears to be associated with worse PFS in clinical stage I EOC compared with clinical stage IIA EOC.
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