Investigation of polymer BANG gel dosimetry using X-ray computed tomographic imaging

Shang Lung Dong, Tieh Chi Chu, Hung Man Yu, Yu Shu Wu, Yu Hsiu Yeh, Gong Yau Lan, Yung Chien Lin, Hsin Ell Wang, Sang Hue Yen

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The purpose of this work is to determine the optimal X-ray computed tomography (CT) imaging parameter settings for polymer BANG gel dosimetry. Several homemade polymer BANG gel samples were manufactured following the formulation demonstrated by Maryanski et al in 1994. The protocol for CT-based polymer BANG gel dosimetry was determined experimentally. Our preliminary results indicate that the optimal CT imaging parameter settings for polymer BANG gel dosimetry are: tube potential = 120 kVp, tube current exposure = 400 mAs, slice thickness = 5 mm, and images acquired per scan position = 20. The appropriate CT imaging time to be 2 days after irradiation observed form reproducibility analysis. A good linearity was performed between CT numbers with irradiation doses ranging from 2-14 Gy. The CT images of polymer BANG gel dosimetry acquired when following our protocol can accurately extract dose information in a clinical radiotherapy environment.

Original languageEnglish
Pages (from-to)1-6
Number of pages6
JournalJournal of Medical and Biological Engineering
Volume25
Issue number1
Publication statusPublished - Mar 1 2005
Externally publishedYes

Fingerprint

Dosimetry
Tomography
Gels
Imaging techniques
X rays
Polymers
Irradiation
Radiotherapy

Keywords

  • Computed tomography
  • Polymer BANG gel
  • Radiotherapy

ASJC Scopus subject areas

  • Biomedical Engineering

Cite this

Dong, S. L., Chu, T. C., Yu, H. M., Wu, Y. S., Yeh, Y. H., Lan, G. Y., ... Yen, S. H. (2005). Investigation of polymer BANG gel dosimetry using X-ray computed tomographic imaging. Journal of Medical and Biological Engineering, 25(1), 1-6.

Investigation of polymer BANG gel dosimetry using X-ray computed tomographic imaging. / Dong, Shang Lung; Chu, Tieh Chi; Yu, Hung Man; Wu, Yu Shu; Yeh, Yu Hsiu; Lan, Gong Yau; Lin, Yung Chien; Wang, Hsin Ell; Yen, Sang Hue.

In: Journal of Medical and Biological Engineering, Vol. 25, No. 1, 01.03.2005, p. 1-6.

Research output: Contribution to journalArticle

Dong, SL, Chu, TC, Yu, HM, Wu, YS, Yeh, YH, Lan, GY, Lin, YC, Wang, HE & Yen, SH 2005, 'Investigation of polymer BANG gel dosimetry using X-ray computed tomographic imaging', Journal of Medical and Biological Engineering, vol. 25, no. 1, pp. 1-6.
Dong, Shang Lung ; Chu, Tieh Chi ; Yu, Hung Man ; Wu, Yu Shu ; Yeh, Yu Hsiu ; Lan, Gong Yau ; Lin, Yung Chien ; Wang, Hsin Ell ; Yen, Sang Hue. / Investigation of polymer BANG gel dosimetry using X-ray computed tomographic imaging. In: Journal of Medical and Biological Engineering. 2005 ; Vol. 25, No. 1. pp. 1-6.
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