Development of PDRESS (patient specific dose real evaluation systems) using a TENOMAG gel and optical CT (VISTA™) in clinical IMRT prostate case

Suk Lee, Jang Bo Shim, Kyung Hwan Chang, Yuanjie Cao, Jaeyoun Yi, Jinwoo Park, Sam Ju Cho, Sang Hoon Lee, Hyundo Huh, Kwang Hwan Cho, Chul Kee Min, Dae-Sik Yang, Young Je Park, Won Sup Yoon, Chul Yong Kim

Research output: Contribution to journalArticle

Abstract

The aims of this study, we present the preliminary results of 3 dimensional dose evaluation software (PDRESS, patient specific dose real evaluation systems). In this work, we compared planned 3D dose distribution with measured 3D dose distribution using a novel normoxic polymer gel dosimeter (TENOMAG) and a commercial cone-beam optical CT scanner (VISTA™, Modus Medical Devices, Inc., London, ON, Canada) to verify the 3D dose distribution in intensity-modulated radiation therapy (IMRT) prostate case. And we developed PDRESS using the Xelis Flatform which is developed by INFINITT Corporation is used to display the 3D dose distribution by loading the DICOM RT Data which is exported from RTP and optical-CT reconstructed VFF file. Data analysis is achieved by comparing the RTP data with the VFF data using profile, gamma map, and DTA. The profiles showed good agreement between RTP data, gel dosimeter, and gamma distribution and the precision of the dose distribution is within ± 5%. The results from this study show that there are no significantly discrepancies between the calculated dose distribution from treatment plan and the measured dose distribution from a TENOMAG gel scanned with an optical CT scanner. The 3D dose evaluation software (PDRESS) which is developed in this study evaluates the accuracy of the three dimensional dose distributions.

Original languageEnglish
Article number012005
Pages (from-to)20-23
Number of pages4
JournalJournal of Physics: Conference Series
Volume250
DOIs
Publication statusPublished - 2010 Dec 30

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radiation therapy
gels
dosage
evaluation
scanners
dosimeters
computer programs
profiles
files
Canada
cones
thermal analysis

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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Development of PDRESS (patient specific dose real evaluation systems) using a TENOMAG gel and optical CT (VISTA™) in clinical IMRT prostate case. / Lee, Suk; Shim, Jang Bo; Chang, Kyung Hwan; Cao, Yuanjie; Yi, Jaeyoun; Park, Jinwoo; Cho, Sam Ju; Lee, Sang Hoon; Huh, Hyundo; Cho, Kwang Hwan; Min, Chul Kee; Yang, Dae-Sik; Park, Young Je; Yoon, Won Sup; Kim, Chul Yong.

In: Journal of Physics: Conference Series, Vol. 250, 012005, 30.12.2010, p. 20-23.

Research output: Contribution to journalArticle

Lee, Suk ; Shim, Jang Bo ; Chang, Kyung Hwan ; Cao, Yuanjie ; Yi, Jaeyoun ; Park, Jinwoo ; Cho, Sam Ju ; Lee, Sang Hoon ; Huh, Hyundo ; Cho, Kwang Hwan ; Min, Chul Kee ; Yang, Dae-Sik ; Park, Young Je ; Yoon, Won Sup ; Kim, Chul Yong. / Development of PDRESS (patient specific dose real evaluation systems) using a TENOMAG gel and optical CT (VISTA™) in clinical IMRT prostate case. In: Journal of Physics: Conference Series. 2010 ; Vol. 250. pp. 20-23.
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