Abstract

To evaluate outcomes in patients with posterior choroidal melanoma treated with ruthenium ((106)Ru) brachytherapy. A retrospective single institutional analysis of 83 of 94 consecutive patients who underwent (106)Ru brachytherapy was performed. Disease was mainly staged as small- and medium-sized nonmetastatic melanoma. The main parameters evaluated were tumor control (local control [LC] and progression-free survival [PFS]) and ocular preservation (enucleation-free survival [EFS]). Besides, functional evaluation was performed and complications were described. The median follow-up was 39 (6-83) months. The median values of height and maximal basal diameter were 4.3 and 9.3mm, respectively. Median apical and basal doses were 100 and 307Gy, respectively. The actuarial 2-year LC, PFS, and EFS were 96.2%, 96.2%, and 95.5%, respectively. Actuarial 5-year LC, PFS, and EFS were 93.6%, 93.6%, and 84.1%, respectively. Preinsertion visual acuity (VA) maintenance was 34% (equal or better than before treatment). Approximately 56% of patients stayed with a minimum functional VA of 0.1 or more, from whom more than half stayed with 0.5 or more. Cataract was seen in 16% of treated eyes, and glaucoma was the rarest complication, with an incidence of 3%. Small- and medium-sized choroidal melanomas can be adequately treated with (106)Ru brachytherapy, with high rates of tumor control and ocular preservation. Moreover, acceptable incidence of complications such as glaucoma and cataract are seen, and a reasonable part of patients stay with a minimum functional VA.

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