Objective : To aim of the study is to determine the efficacy and safety of treatment with low-dose 3D external beam radiotherapy (EBRT) in patients with inguinal lymphorrhea. Material and methods : We retrospectively analyzed a total of 53 patients with persistent lymphorrhea after conservative treatment between 2008 and 2018. All patients were treated with 3D EBRT with photons of 6 - 18 MeV. The most common schedules were 7.5 Gy in 5 fractions (90.7%). Results : The complete closure of the fistula was achieved in 100% (43/43) of the patients. Three patients required re-irradiation due to persistence. We did not find any acute toxicity. Conclusions : Low-dose radiation therapy is effective and safe for treating persistent lymphorrheas.
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