Abstract
Due to its short range in tissue and high dose gradient beta radiation may be used to the therapy of small and superficial skin lesions. In this short study a conceptual design of a novel multi-hexagonal beta applicator loaded with Yttrium-90 is presented. Calculations of dose rates around the applicator area performed using the beta-point source dose function formalism and initial results show that over 90\% of the beta radiation energy from the multi-hexagonal applicator loaded with Yttrium-90 is absorbed in the first layers of the skin tissue. Results show that the multi-hexagonal beta applicator has the potential to be used in the brachytherapy treatment of non-melanoma skin cancers.
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