A Conceptual Design of a Novel Multi-Hexagonal Beta Applicator Intended to Treat Non-Melanoma Skin Cancers

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.