Prognostic factors and outcomes in endometrial stromal sarcoma with the 2009 FIGO staging system: A multicenter review of 114 cases |
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Authors: | Aera Yoon Jeong-Yeol Park Jin-Young Park Yoo-Young Lee Tae-Joong Kim Chel Hun Choi Duk-Soo Bae Byoung-Gie Kim Jeong-Won Lee Joo-Hyun Nam |
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Institution: | 1. Department of Obstetrics and Gynecology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea;2. Department of Obstetrics and Gynecology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea |
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Abstract: | ObjectiveTo assess prognostic factors associated with disease-related survival in endometrial stromal sarcoma (ESS) using the 2009 FIGO staging system.MethodsFrom January 1990 to January 2012, 114 patients with ESS were identified at the Samsung and Asan Medical Center and data were retrospectively analyzed.ResultsTen (8.7%) patients died of the disease and 33 (28.9%) patients relapsed. The 5- and 10-year overall survival (OS) rates for the entire cohort were 92.6% and 87.1%, respectively, and the 5- and 10-year recurrence-free survival (RFS) rates were 71.8% and 52.1%, respectively. The estimated median survival after recurrence for the 33 patients whose tumors relapsed was 133 months (95% CI, 7.7–258.4), and 5-year survival after recurrence was 68.9%. Stage I (P = 0.006), estrogen and/or progesterone receptor (ER/PR) positivity (P = 0.0027), and no nodal metastasis (P = 0.033) were associated with a good prognosis for OS in the univariate analysis. Ovarian preservation was revealed to be an independent predictor for poorer RFS (HR, 6.5; 95% CI, 1.23–34.19; P = 0.027). Positivity for ER/PR (HR, 0.05; 95% CI, 0.006–0.4; P = 0.006) and cytoreductive resection of recurrent lesions (HR, 0.14; 95% CI, 0.02–0.93; P = 0.042) were independent predictors of better survival after recurrence.ConclusionsStage, expression of ER/PR, and nodal metastasis are significantly associated with OS in ESS. Bilateral salpingo-oophorectomy (BSO) as the primary treatment and cytoreductive resection of recurrent lesions should be considered for improving survival of patients with ESS. |
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Keywords: | Endometrial stromal sarcoma Prognostic factors Survival Revised FIGO staging |
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