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Monte Carlo dose computation for IMRT optimization

delete2000-06-26
delete52
PRE
AI
W
W. Laub *
M
M. Birkner
F
Fridtjof Nüsslin
DOI：10.1088/0031-9155/45/7/303delete
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Abstract

Abstract

En 中文
A method which combines the accuracy of Monte Carlo dose calculation with a finite size pencil-beam based intensity modulation optimization is presented. The pencil-beam algorithm is employed to compute the fluence element updates for a converging sequence of Monte Carlo dose distributions. The combination is shown to improve results over the pencil-beam based optimization in a lung tumour case and a head and neck case. Inhomogeneity effects like a broader penumbra and dose build-up regions can be compensated for by intensity modulation.
Keywords:
ALGORITHM

Journal

Physics in Medicine and Biology cover
Physics in Medicine and Biology
IF:
3.4
Papers:
1.4W
Citations:
3.1W

Organization

No organization information available