Outcomes of uterine sarcoma found incidentally after uterus-preserving surgery for presumed benign disease

Abstract

Background

The aims of this study were to evaluate the impact of initial uterus-preserving surgery, such as myomectomy or subtotal hysterectomy, on the recurrence rates of patients with uterine sarcoma found incidentally and to investigate the role of surgical re-exploration in this disease subset.

Methods

We performed a retrospective chart review for patients who had previously undergone either total hysterectomy or subtotal hysterectomy or myomectomy at the time of initial surgery for presumed benign uterine leiomyoma and were found to have uterine sarcoma on final pathology. Survival analysis was performed comparing patients according to the type of initial surgery.

Results

Between 2006 and 2014, 45 patients with uterine sarcoma were identified. Myomectomy or subtotal hysterectomy was performed in 15 patients, and 30 patients underwent total hysterectomy as the initial surgery. Of the patients who underwent myomectomy or subtotal hysterectomy as the initial surgery (n = 15), 14 were re-explored to complete staging. Of the patients who underwent re-exploration (n = 14), five (35.8 %) had remnant sarcoma on the remaining uterus and no patients had disseminated disease. A Kaplan–Meier curve and log-rank test showed no difference in progression-free survival (P = 0.941) between the two groups.

Conclusion

Initial uterus-preserving surgery does not appear to be associated with an adverse impact on survival outcomes for unexpected uterine sarcoma when surgical re-exploration was performed immediately. As such, surgical re-exploration may be useful for removing any remnant sarcoma.

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