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  • Title: Treatment of vaginal recurrences in endometrial carcinoma by high-dose-rate brachytherapy.
    Author: Sorbe B, Söderström K.
    Journal: Anticancer Res; 2013 Jan; 33(1):241-7. PubMed ID: 23267151.
    Abstract:
    AIM: The aim of the present study was to evaluate the efficacy and safety of high-dose-rate brachytherapy alone or in combination with external pelvic irradiation in treatment of vaginal recurrences in endometrial carcinomas. Predictive and prognostic factors were also evaluated. PATIENTS AND METHODS: Between 1990 and 2005, forty patients were consecutively treated for vaginal recurrences with or without extravaginal tumoral spread from endometrial carcinoma of International Federation of Gynecology and Obstetrics (FIGO) stages IA-IIIA. Thirty-five patients were treated primarily with surgery and five patients with primary radiotherapy. Six patients were treated with adjuvant external beam irradiation and seven patients with vaginal brachytherapy upfront. The medium time from diagnosis to recurrence was 17 months. The recurrences were treated with a combination of high-dose-rate brachytherapy (mean 25.8 Gy) and external beam pelvic irradiation (mean 46.7 Gy) in 24 cases (60%) and with external therapy-alone or brachytherapy-alone in 12 cases. RESULTS: The local control of vaginal recurrences treated with a combination of external beam therapy and brachytherapy was 92%. The local control rate was lower for external beam therapy-alone. In eleven patients (28%), a second recurrence occurred (five vaginal and six distant metastases). The overall 5-year survival rate was 50%. Age, FIGO grade and time from diagnosis to recurrence were the only independent and significant prognostic factors. Upfront external beam therapy was associated with a worse overall survival rate. Site of recurrence was significant only in univariate analysis. Late gastrointestinal toxicity (grade 3-4) was recorded in 11% of irradiated patients. CONCLUSION: Combined high-dose-rate brachytherapy and external beam therapy was an effective treatment for vaginal recurrences. Age, FIGO grade, and time-to-recurrence were significant and independent prognostic factors. Upfront radiotherapy was an unfavorable prognostic factor in univariate analysis.
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