Validation of new transmission detector transmission factors for online dosimetry: an experimental study

Radiation Oncology
So-Yeon ParkChang Heon Choi

Abstract

The demand for dose verification during treatment has risen with the increasing use of intensity-modulated radiation therapy (IMRT) and volumetric modulated arc therapy (VMAT) in modern radiation therapy. This study aims to validate the transmission factors of a new transmission detector, the Dolphin online monitoring system (IBA Dosimetry, Schwarzenbruck, Germany), for clinical use. The transmission factors of the Dolphin detector were evaluated using 6 MV, 6 flattening filter free (FFF), 10 MV, and 10 FFF clinical beams from a TrueBeam STx linear accelerator system. Two-dimensional (2D) dose distributions were measured through portal dosimetry with and without Dolphin to derive the transmission factors. The measurements were performed using 10 IMRT and 10 VMAT treatment plans. The transmission factors were calculated using a non-negative least squares problem solver for the 2D dose matrix. Normalized plans were generated using the derived transmission factors. Patient-specific quality assurance with normalized plans was performed using portal dosimetry and an ArcCheck detector to verify the transmission factors. The gamma passing rates were calculated for the 2%/2 mm and 1%/1 mm criteria. The transmission factors for the 6 MV...Continue Reading

References

Dec 3, 2014·Physica Medica : PM : an International Journal Devoted to the Applications of Physics to Medicine and Biology : Official Journal of the Italian Association of Biomedical Physics (AIFB)·Todsaporn FuangrodRichard H Middleton
Jun 23, 2015·Physica Medica : PM : an International Journal Devoted to the Applications of Physics to Medicine and Biology : Official Journal of the Italian Association of Biomedical Physics (AIFB)·Laure VieillevigneRegis Ferrand
Jul 29, 2015·Journal of Applied Clinical Medical Physics·Weiguang Yao, Jonathan B Farr
Aug 22, 2015·Physics in Medicine and Biology·Lu DingVasilis Ntziachristos
Apr 20, 2016·Radiotherapy and Oncology : Journal of the European Society for Therapeutic Radiology and Oncology·Johannes ThoelkingHansjoerg Wertz
Jun 6, 2016·International Journal of Radiation Oncology, Biology, Physics·Kate RickettsAbiodun Adeyemi
Oct 27, 2016·The British Journal of Radiology·Chang Heon ChoiJong Min Park
Dec 9, 2016·Journal of Applied Clinical Medical Physics·Narges MiriPeter Greer
Jan 13, 2017·Physics in Medicine and Biology·P M McCowanB M C McCurdy
Mar 24, 2017·International Journal of Radiation Oncology, Biology, Physics·Leith J RankineH Harold Li
Jun 3, 2017·Journal of Applied Clinical Medical Physics·Nigel D MiddlebrookTanya Kairn
Jun 3, 2017·Journal of Applied Clinical Medical Physics·Yuji NakaguchiYudai Kai
Jul 2, 2017·Practical Radiation Oncology·Joey P CheungOlivier Morin
Jul 6, 2017·Physics in Medicine and Biology·Marlies PaslerJohannes Lutterbach
Oct 4, 2017·Australasian Physical & Engineering Sciences in Medicine·Seongjong OhTaeho Kim
Oct 12, 2017·Radiotherapy and Oncology : Journal of the European Society for Therapeutic Radiology and Oncology·Erik van der BijlAnton Mans
Nov 19, 2017·Radiotherapy and Oncology : Journal of the European Society for Therapeutic Radiology and Oncology·Dietmar Georg, David Thwaites
Dec 20, 2017·Physica Medica : PM : an International Journal Devoted to the Applications of Physics to Medicine and Biology : Official Journal of the Italian Association of Biomedical Physics (AIFB)·Assi ValveJarmo Kulmala
Feb 24, 2018·Physica Medica : PM : an International Journal Devoted to the Applications of Physics to Medicine and Biology : Official Journal of the Italian Association of Biomedical Physics (AIFB)·S StevensA Richmond

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Citations

Aug 7, 2019·Journal of Applied Clinical Medical Physics·Vikren SarkarBill J Salter
May 18, 2020·Radiotherapy and Oncology : Journal of the European Society for Therapeutic Radiology and Oncology·Marco EspositoPietro Mancosu

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Software Mentioned

MATLAB
COMPASS
VMAT
SNC
Dolphin
Eclipse
ArcCheck

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