Feasibility study on applying radiophotoluminescent glass dosimeters for cyberknife srs dose verification

Shih Ming Hsu, Chao Hsiung Hung, Yi Jen Liao, Hsiao Mei Fu, Jo Ting Tsai, Yung Hui Huang, David Y C Huang

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

CyberKnife is one of multiple modalities for stereotactic radiosurgery (SRS). Due to the nature of CyberKnife and the characteristics of SRS, dose evaluation of the CyberKnife procedure is critical. A radiophotoluminescent glass dosimeter was used to verify the dose accuracy for the CyberKnife procedure and validate a viable dose verification system for CyberKnife treatment. A radiophotoluminescent glass dosimeter, thermoluminescent dosimeter, and Kodak EDR2 film were used to measure the lateral dose profile and percent depth dose of CyberKnife. A Monte Carlo simulation for dose verification was performed using BEAMnrc to verify the measured results. This study also used a radiophotoluminescent glass dosimeter coupled with an anthropomorphic phantom to evaluate the accuracy of the dose given by CyberKnife. Measurements from the radiophotoluminescent glass dosimeter were compared with the results of a thermoluminescent dosimeter and EDR2 film, and the differences found were less than 5%. The radiophotoluminescent glass dosimeter has some advantages in terms of dose measurements over CyberKnife, such as repeatability, stability, and small effective size. These advantages make radiophotoluminescent glass dosimeters a potential candidate dosimeter for the CyberKnife procedure. This study concludes that radiophotoluminescent glass dosimeters are a promising and reliable dosimeter for CyberKnife dose verification with clinically acceptable accuracy within 5%.

Original languageEnglish
Article numbere0169252
JournalPLoS One
Volume12
Issue number1
DOIs
Publication statusPublished - Jan 1 2017

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Dosimeters
Feasibility Studies
Dosimetry
Glass
glass
dosage
films (materials)
Radiosurgery
Radiation Dosimeters
repeatability

ASJC Scopus subject areas

  • Medicine(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Agricultural and Biological Sciences(all)

Cite this

Feasibility study on applying radiophotoluminescent glass dosimeters for cyberknife srs dose verification. / Hsu, Shih Ming; Hung, Chao Hsiung; Liao, Yi Jen; Fu, Hsiao Mei; Tsai, Jo Ting; Huang, Yung Hui; Huang, David Y C.

In: PLoS One, Vol. 12, No. 1, e0169252, 01.01.2017.

Research output: Contribution to journalArticle

Hsu, Shih Ming ; Hung, Chao Hsiung ; Liao, Yi Jen ; Fu, Hsiao Mei ; Tsai, Jo Ting ; Huang, Yung Hui ; Huang, David Y C. / Feasibility study on applying radiophotoluminescent glass dosimeters for cyberknife srs dose verification. In: PLoS One. 2017 ; Vol. 12, No. 1.
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