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CT-guided 125I brachytherapy for recurrent ovarian cancer.

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This retrospective study was to evaluate the local control and survival of 125I brachytherapy for recurrent ovarian cancer. 52 125I brachytherapy procedures were performed in 47 patients with 51 recurrent… Click to show full abstract

This retrospective study was to evaluate the local control and survival of 125I brachytherapy for recurrent ovarian cancer. 52 125I brachytherapy procedures were performed in 47 patients with 51 recurrent ovarian cancer lesions. The follow-up period was 1-55 months (median 12 months). The local control rate (LC) of 3, 6, 12, 24 and 36 months was 93.3%, 77.7%, 58.9%, 38.7% and 19.3%, respectively. Patients with tumor size ≤ 4cm (85.7% vs 40.0%, P = 0.037) and actual D90 between 110 to 130Gy (47.4% vs 66.7% vs 62.5%, P = 0.029) had better LC. The 1, 2 and 3 years of overall survival (OS) was 79.3%, 63.0% and 52.5%, respectively. The poor performance status (HR 3.821, 95% CI 1.383-10.555; P = 0.010), concurrent distant metastasis (HR 9.222, 95% CI 1.710-49.737; P = 0.010) and large postoperative residual tumor size (HR 6.157, 95% CI 1.438-26.367; P = 0.014) were closely correlated with a poor OS. Our data indicate thatCT-guided 125I brachytherapy is an effective and safe modality for the local treatment of recurrent ovarian cancer.

Keywords: 125i brachytherapy; ovarian cancer; recurrent ovarian

Journal Title: Oncotarget
Year Published: 2017

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