Effect of bilateral salpingo-oophorectomy on the overall survival of premenopausal patients with stage I low-grade endometrial stromal sarcoma; a National Cancer Database analysis



Investigate the prevalence of bilateral salpingo-oophorectomy (BSO) for women ≤50 years with early stage low-grade endometrial stromal sarcoma (LGESS) and its impact on overall survival (OS).


Women ≤50 years, diagnosed with stage I LGESS and managed with hysterectomy between 2004 and 2015 were identified from the National Cancer Database. Patient demographics were recorded and compared with the chi-square test. OS for patients diagnosed between 2004 and 2014 with at least one month of follow-up was assessed using Kaplan-Meier curves, and compared with the log-rank test.


A total 743 patients with a median age of 44 years met the inclusion criteria. Use of radiatiotherapy (9%), chemotherapy (0.8%) and hormonal therapy (11%) was infrequent. BSO was performed in 541 (72.8%) patients. Patients who had ovarian preservation (OP) were younger (median age 43 vs 45 years, p < 0.001), less likely to have comorbidities (6.9% vs 12.4%, p = 0.034), or undergo LND (30.7% vs 44.4%, p = 0.001). There were no differences between the two groups in terms of substage or patient race. Five year OS rates for patients who did (n = 490) and did not (n = 191) undergo BSO were 96.2% and 97.1% and there was no difference in OS, p = 0.50. Even after controlling for presence of comorbidities performance of BSO was not associated with better survival (HR: 1.28, 95% CI: 0.51, 3.19).


Ovarian function was preserved in approximately one third of women ≤50 years with stage I LGESS with no clear detriment to overall survival. As BSO is associated with long term health effects in this patient population OP could be considered in selected women with stage I LGESS.

Source: https://www.sciencedirect.com/science/article/abs/pii/S0090825820302602
PDF available: https://www.gynecologiconcology-online.net/article/S0090-8258(20)30260-2/pdf

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