The characterization of the High-Dose-Rate (HDR) brachytherapy afterloader could be useful to assess the quality of treatment delivery, in terms of total delivered dose and verification of dwell times and positions. To do that a real-time measurement capability is needed, without dead-times and with sufficient precision. This work introduces a new method to go toward this direction, based on a CMOS Image Sensor already employed as a direct ionizing radiation detector. We report some preliminary results for a realistic treatment plan for a breast treatment with a Elekta MicroSelectron-HDR loaded with an Ir-192 source.
Use of CMOS image sensor to characterize brachytherapy HDR afterloader
Servoli, L.;Fabiani, S.;Casale, M.;Kanxheri, K.;Devo, A.;Placidi, P.;
2021
Abstract
The characterization of the High-Dose-Rate (HDR) brachytherapy afterloader could be useful to assess the quality of treatment delivery, in terms of total delivered dose and verification of dwell times and positions. To do that a real-time measurement capability is needed, without dead-times and with sufficient precision. This work introduces a new method to go toward this direction, based on a CMOS Image Sensor already employed as a direct ionizing radiation detector. We report some preliminary results for a realistic treatment plan for a breast treatment with a Elekta MicroSelectron-HDR loaded with an Ir-192 source.File in questo prodotto:
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