Comparison of commercially available detectors used for the dosimetry of the High Energy Electron Beams.
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Keywords

detectors
High Energy Electron Beams
dosimetry

How to Cite

Bąk, O., & Szweda, H. (2022). Comparison of commercially available detectors used for the dosimetry of the High Energy Electron Beams. Letters in Oncology Science, 19(1). https://doi.org/10.21641/los.2022.19.1.221

Abstract

In modern radiotherapy, electron beams are used less and less often. However, there are still techniques where this type of particles is irreplaceable, like intraoperative radiotherapy (IORT) or total skin electron irradiation (TSEI). Due to low range of electrons penetrating the medium, dosimetric measurements and beam characteristics are challenging. One of the most important steps during this process is to select the right detector in order to collect reliable data. The purpose of this work was to perform beam characteristics using six commercially available detectors: Semiflex 3D (Type 31021), Advanced Markus (Type 34045), Markus (Type 23343), Roos (Type 34001), microDiamond (Type 60019), Diode E (Type 60017). Collected data shows various parameters describing electron beams, depending on the used detector. Obtained results showed that the most useful detector for beam characteristics is microDiamond Type 60019. Thanks to the very small effective volume, microDiamond showed a superior spatial resolution, which is especially handful during the measurements of dose profiles, allowing estimating beam parameters very precisely.

https://doi.org/10.21641/los.2022.19.1.221
PDF (Język Polski)

References

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Chang Yeol Lee, Woo Chul Kim, Hun Jeong Kim, Hyun Do Huh, Seungwoo Park, Sang Hyoun Choi, Kum Bae Kim, Chul Kee Min, Seong Hoon Kim & Dong Oh Shin. Comparative dosimetric characterization for different types of detectors in high-energy electron beams. Journal of the Korean Physical Society volume 70 (2017).

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Varian Medical Systems, TrueBeam specifications, Varian Medical Systems International AG Cham, (2013)

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L. Whitmore, R. I. Mackay, M. van Herk, J. K. Jones & R. M. Jones. Focused VHEE (very high energy electron) beams and dose delivery for radiotherapy applications. Scientific Reports volume 11, Article number: 14013 (2021).

Jonathan R Hughes 1, Jason L Parsons. FLASH Radiotherapy: Current Knowledge and Future Insights Using Proton-Beam Therapy. International Journal of Molecular Sciences, 21 (2018).

Xiaohui Wang,Hui Luo,Xiaoli Zheng,Hong Ge. FLASH radiotherapy: Research process from basic experimentation to clinical application. Precision Radiation Oncology 5 (2021).

Kukołowicz P. F. Charakterystyka wiązek terapeutycznych fotonów i elektronów (2017).

Julian Malicki, Krzysztof Ślosarek. Planowanie leczenia i dozymetria w radioterapii (2018).

C.Di Venanzio, Marco Marinelli, A.Tonnetti, G.Verona-Rinati, M.D. Falco, M.Pimpinella, A.Ciccotelli, S.De Stefanod, .Felici, F.Marangoni. Characterization of a microDiamond detector in high-dose-per-pulse electron beams for intra operative radiation therapy. Physica Medica 1-6 (2015).

Chang Yeol Lee, Woo Chul Kim, Hun Jeong Kim, Hyun Do Huh, Seungwoo Park, Sang Hyoun Choi, Kum Bae Kim, Chul Kee Min, Seong Hoon Kim & Dong Oh Shin. Comparative dosimetric characterization for different types of detectors in high-energy electron beams. Journal of the Korean Physical Society volume 70 (2017).

IAEA TRS 398. Absorbed Dose Determination in External Beam Radiotherapy. An International Code of Practice for Dosimetry Based on Standards of Absorbed Dose to Water. Tehnical Report no 398 (2006).

Varian Medical Systems, TrueBeam specifications, Varian Medical Systems International AG Cham, (2013)

. PTW-Freiburg, Detectors for Ionizing Radiation, Codes of Practice (2022).

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