NDLI: Improved accuracy in simulation of electron and x-ray beams in external beam radiotherapy

Content Provider	IEEE Xplore Digital Library
Author	Faddegon, B. Sawkey, D. Chen, J. Schreiber, E.
Copyright Year	2007
Description	Author affiliation: Univ. of California, San Francisco (Faddegon, B.)
Abstract	Methodology is presented with the goal to determine fluence to 1-2% for electron and x-ray beams used in external beam radiotherapy. Fluence was determined by combining accurate and detailed treatment head simulation of a modern clinical accelerator with accurate measurements done over a wide range of operating parameters. The treatment head was disassembled for confirmation of the information provided by the manufacturer and for direct measurement of treatment head geometry. Dose measurements were made on the same accelerator with methodology to improve the accuracy of the measurements. Detailed simulation of the treatment head for the different modalities and beam energies were done with two different, accurate Monte Carlo systems. Source and geometry details in the simulation were adjusted within tight constraints set by the measurements. Results give confidence the 1-2% accuracy goal is achievable for both electron and x-ray beams.
Starting Page	2568
Ending Page	2570
File Size	119889
Page Count	3
File Format	PDF
ISBN	9781424409228
ISSN	10957863
DOI	10.1109/NSSMIC.2007.4436674
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-10-26
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Electron beams Magnetic field measurement Particle beams Geometry Solid modeling Telephony Energy measurement Manufacturing Monte Carlo methods Magnetic heads
Content Type	Text
Resource Type	Article

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