DOSIMETRIC VERIFICATION OF A 3-D ELECTRON PENCIL BEAM DOSE CALCULATION ALGORITHM

被引：21

作者：

MCSHAN, DL ^{[1
]}

FRAASS, BA ^{[1
]}

TENHAKEN, RK ^{[1
]}

机构：

[1] UNIV MICHIGAN,MED CTR,DEPT RADIAT ONCOL,ANN ARBOR,MI 48109

来源：

MEDICAL PHYSICS | 1994年 / 21卷 / 01期

关键词：

3-D TREATMENT PLANNING; ELECTRON BEAMS; PENCIL BEAMS; DOSIMETRIC VERIFICATION;

D O I：

10.1118/1.597363

中图分类号：

R8 [特种医学]; R445 [影像诊断学];

学科分类号：

1002 ; 100207 ; 1009 ;

摘要：

A three-dimensional electron beam dose calculational algorithm implemented for use in a three-dimensional treatment planning system is described. The 3-D electron beam calculations have been in use clinically for more than seven years. The algorithm uses a pencil beam model based on small angle multiple Coulomb scattering theory. Our implementation allows volumetric CT-based inhomogeneity corrections and provides for irregular field shapes (fields shaped with cerrobend cutouts) and the use of bolus. As part of NCI-funded work evaluating the state of the art in electron beam treatment planning, extensive algorithm verification was undertaken and results of these tests for our implementation are presented.

引用

页码：13 / 23

页数：11

共 43 条

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