An integrated Monte Carlo dosimetric verification system for radiotherapy treatment planning

Tokihiro Yamamoto, T. Mizowaki, Y. Miyabe, H. Takegawa, Y. Narita, S. Yano, Y. Nagata, T. Teshima, M. Hiraoka

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

An integrated Monte Carlo (MC) dose calculation system, MCRTV (Monte Carlo for radiotherapy treatment plan verification), has been developed for clinical treatment plan verification, especially for routine quality assurance (QA) of intensity-modulated radiotherapy (IMRT) plans. The MCRTV system consists of the EGS4/PRESTA MC codes originally written for particle transport through the accelerator, the multileaf collimator (MLC), and the patient/phantom, which run on a 28-CPU Linux cluster, and the associated software developed for the clinical implementation. MCRTV has an interface with a commercial treatment planning system (TPS) (Eclipse, Varian Medical Systems, Palo Alto, CA, USA) and reads the information needed for MC computation transferred in DICOM-RT format. The key features of MCRTV have been presented in detail in this paper. The phase-space data of our 15 MV photon beam from a Varian Clinac 2300C/D have been developed and several benchmarks have been performed under homogeneous and several inhomogeneous conditions (including water, aluminium, lung and bone media). The MC results agreed with the ionization chamber measurements to within 1% and 2% for homogeneous and inhomogeneous conditions, respectively. The MC calculation for a clinical prostate IMRT treatment plan validated the implementation of the beams and the patient/phantom configuration in MCRTV.

Original languageEnglish (US)
Article number014
Pages (from-to)1991-2008
Number of pages18
JournalPhysics in Medicine and Biology
Volume52
Issue number7
DOIs
StatePublished - Apr 7 2007
Externally publishedYes

Fingerprint

Radiotherapy
planning
radiation therapy
Planning
Intensity-Modulated Radiotherapy
Therapeutics
Digital Imaging and Communications in Medicine (DICOM)
Ionization chambers
Benchmarking
Quality assurance
photon beams
assurance
eclipses
ionization chambers
Dosimetry
collimators
Particle accelerators
Program processors
Aluminum
Photons

ASJC Scopus subject areas

  • Biomedical Engineering
  • Physics and Astronomy (miscellaneous)
  • Radiology Nuclear Medicine and imaging
  • Radiological and Ultrasound Technology

Cite this

An integrated Monte Carlo dosimetric verification system for radiotherapy treatment planning. / Yamamoto, Tokihiro; Mizowaki, T.; Miyabe, Y.; Takegawa, H.; Narita, Y.; Yano, S.; Nagata, Y.; Teshima, T.; Hiraoka, M.

In: Physics in Medicine and Biology, Vol. 52, No. 7, 014, 07.04.2007, p. 1991-2008.

Research output: Contribution to journalArticle

Yamamoto, T, Mizowaki, T, Miyabe, Y, Takegawa, H, Narita, Y, Yano, S, Nagata, Y, Teshima, T & Hiraoka, M 2007, 'An integrated Monte Carlo dosimetric verification system for radiotherapy treatment planning', Physics in Medicine and Biology, vol. 52, no. 7, 014, pp. 1991-2008. https://doi.org/10.1088/0031-9155/52/7/014
Yamamoto, Tokihiro ; Mizowaki, T. ; Miyabe, Y. ; Takegawa, H. ; Narita, Y. ; Yano, S. ; Nagata, Y. ; Teshima, T. ; Hiraoka, M. / An integrated Monte Carlo dosimetric verification system for radiotherapy treatment planning. In: Physics in Medicine and Biology. 2007 ; Vol. 52, No. 7. pp. 1991-2008.
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