Gamma index evaluation of IMRT technique using gafchromic film EBT3 for homogeneous and inhomogeneous material

T. A. Nisauf, W. E. Wibowo, Supriyanto

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

This study was done to evaluate the gamma index for registering between the planar of dose planning and the measurement of EBT film. The treatment plan was simulated for 5 patients using Fan Beam Computerized Tomography (FBCT) modality, Philips Pinnacle planning system, 6 MV photon energy, 50 segments IMRT technique, and calculation grid resolution (CGR) of 0.2 cm. Gamma Index (GI) evaluation was done with criteria of dose difference (DD) of 2 %, dose to agreement (DTA) of 2 mm and dose difference (DD) of 5 % DTA of 3 mm, SAD 100 cm, depth of 5 cm and 10 cm of the phantom. The result shows that GI for homogeneous material is greater than for inhomogeneous material with discrepancy to previous work is about 1.98 % for homogeneous material (depth 5 cm) and 2.05 % (depth 10 cm) while it was found of 2.98 % for inhomogeneous material (equivalent depth 5 cm) and 4.59 % (equivalent depth 10 cm).

Original languageEnglish
Title of host publicationInternational Symposium on Current Progress in Mathematics and Sciences 2016, ISCPMS 2016
Subtitle of host publicationProceedings of the 2nd International Symposium on Current Progress in Mathematics and Sciences 2016
EditorsKiki Ariyanti Sugeng, Djoko Triyono, Terry Mart
PublisherAmerican Institute of Physics Inc.
ISBN (Electronic)9780735415362
DOIs
Publication statusPublished - 10 Jul 2017
Event2nd International Symposium on Current Progress in Mathematics and Sciences 2016, ISCPMS 2016 - Depok, Jawa Barat, Indonesia
Duration: 1 Nov 20162 Nov 2016

Publication series

NameAIP Conference Proceedings
Volume1862
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

Conference2nd International Symposium on Current Progress in Mathematics and Sciences 2016, ISCPMS 2016
CountryIndonesia
CityDepok, Jawa Barat
Period1/11/162/11/16

Keywords

  • FBCT
  • Gafchromic Film EBT3
  • Gamma Index
  • Homogeneous and Inhomogeneous Material
  • PTV

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    Nisauf, T. A., Wibowo, W. E., & Supriyanto (2017). Gamma index evaluation of IMRT technique using gafchromic film EBT3 for homogeneous and inhomogeneous material. In K. A. Sugeng, D. Triyono, & T. Mart (Eds.), International Symposium on Current Progress in Mathematics and Sciences 2016, ISCPMS 2016: Proceedings of the 2nd International Symposium on Current Progress in Mathematics and Sciences 2016 [030065] (AIP Conference Proceedings; Vol. 1862). American Institute of Physics Inc.. https://doi.org/10.1063/1.4991169