A NONDIVERGENT 3 FIELD MATCHING TECHNIQUE FOR BREAST IRRADIATION

被引:27
作者
CHU, JCH
SOLIN, LJ
HWANG, CC
FOWBLE, B
HANKS, GE
GOODMAN, RL
机构
[1] Fox Chase Cancer Center, University of Pennsylvania, School of Medicine, Philadelphia, PA
来源
INTERNATIONAL JOURNAL OF RADIATION ONCOLOGY BIOLOGY PHYSICS | 1990年 / 19卷 / 04期
关键词
Breast irradiation; Field matching;
D O I
10.1016/0360-3016(90)90030-N
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
Effective radiation therapy to intact breasts requires the delivery of adequate dose to a large target volume using complex beam arrangements. A semi-empirical method is described to determine the correct gantry, collimator, and couch positions for a geometrically accurate field match among adjoining radiation beams. The technique uses a metal rod and chain combination to aid determination of the proper couch setting under remote fluoroscopy control. A couch position error of more than half a degree is easily detectable by this technique. © 1990.
引用
收藏
页码:1037 / 1040
页数:4
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