IMPROVED DOSE HOMOGENEITY IN THE BREAST USING TISSUE COMPENSATORS

被引：33

作者：

MAYLES, WPM

YARNOLD, JR

WEBB, S

机构：

[1] INST CANC RES,DEPT RADIOTHERAPY,SUTTON SM2 5PX,SURREY,ENGLAND

[2] ROYAL MARSDEN HOSP,SUTTON SM2 5PT,SURREY,ENGLAND

来源：

RADIOTHERAPY AND ONCOLOGY | 1991年 / 22卷 / 04期

关键词：

BREAST IRRADIATION; TISSUE COMPENSATORS; DOSE HOMOGENEITY; LUNG CORRECTIONS;

D O I：

10.1016/0167-8140(91)90158-D

中图分类号：

R73 [肿瘤学];

学科分类号：

100214 ;

摘要：

The improvements achievable by introducing individual tissue compensators in photon therapy of the breast were assessed. In 37 patients the dose ranged from +15% to -10% of the mid target dose using combinations of wedge filters and beam weights alone. With a tissue compensator the dose ranged from +4% to -11% provided that allowance was made for lung attenuation. A megavoltage imaging system is a potential source of the X-ray transmission data which can provide a basis for the calculation of thickness of the compensator.

引用

页码：248 / 251

页数：4

共 11 条

[1]

Asbury L, 1989, Med Dosim, V14, P161

[2]

CHENG CW, 1990, MED PHYS, V17, P514

[3] 3-DIMENSIONAL PHOTON DOSE DISTRIBUTIONS WITH AND WITHOUT LUNG CORRECTIONS FOR TANGENTIAL BREAST INTACT TREATMENTS [J].