Gynecologic oncology · 2020
Performance of lymphadenectomy for apparent early stage malignant ovarian germ cell tumors in the era of platinum-based chemotherapy.
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Nasioudis Dimitrios, Ko Emily M, Haggerty Ashley F, Cory Lori, Giuntoli Robert L, Burger Robert A, Morgan Mark A, Latif Nawar A
Аннотация
OBJECTIVES: To investigate the patterns of use and impact of lymphadenectomy (LND) on overall survival (OS) of patients with apparent early stage malignant ovarian germ cell tumors (MOGCTs).
METHODS: Patients with apparent stage I MOGCT diagnosed between 2004 and 2015 were drawn from the National Cancer Database. The performance of LND was assessed from the pathology report. OS was evaluated using Kaplan-Meier curves, and compared with the log-rank test. A multivariate Cox analysis was performed to control for confounders.
RESULTS: A total of 2774 patients were identified; 1426 (51.4%) underwent LND. The median number of lymph nodes (LN) removed was 9 (range 1-81); 48.3% of patients had at least 10 lymph nodes removed. The rate of regional lymph node metastasis was 10.3% (147 patients). There was no difference in OS, between patients who did (n = 1287) and did not (n = 1210) undergo LND, p = 0.81; 5-yr OS rates were 96.5% and 97.6% respectively. After controlling for patient age, insurance status, histology, presence of medical comorbidities, and receipt of chemotherapy, the performance of LND was not associated with better survival (HR: 1.33, 95% CI: 0.82, 2.14).
CONCLUSIONS: While LN metastasis is common in apparent early stage MOGCTs, the performance of LND was not associated with a survival benefit.
METHODS: Patients with apparent stage I MOGCT diagnosed between 2004 and 2015 were drawn from the National Cancer Database. The performance of LND was assessed from the pathology report. OS was evaluated using Kaplan-Meier curves, and compared with the log-rank test. A multivariate Cox analysis was performed to control for confounders.
RESULTS: A total of 2774 patients were identified; 1426 (51.4%) underwent LND. The median number of lymph nodes (LN) removed was 9 (range 1-81); 48.3% of patients had at least 10 lymph nodes removed. The rate of regional lymph node metastasis was 10.3% (147 patients). There was no difference in OS, between patients who did (n = 1287) and did not (n = 1210) undergo LND, p = 0.81; 5-yr OS rates were 96.5% and 97.6% respectively. After controlling for patient age, insurance status, histology, presence of medical comorbidities, and receipt of chemotherapy, the performance of LND was not associated with better survival (HR: 1.33, 95% CI: 0.82, 2.14).
CONCLUSIONS: While LN metastasis is common in apparent early stage MOGCTs, the performance of LND was not associated with a survival benefit.