Tangential breast irradiation: a multi-centric intercomparison of dose using a mailed phantom and thermoluminescent dosimetry

被引：7

作者：

Davis, JB ^{[1
]}

Miltchev, V ^{[1
]}

机构：

[1] Univ Zurich Hosp, CH-8091 Zurich, Switzerland

来源：

RADIOTHERAPY AND ONCOLOGY | 1999年 / 52卷 / 01期

关键词：

breast irradiation; treatment planning; phantom measurements; 3D planning system;

D O I：

10.1016/S0167-8140(99)00086-9

中图分类号：

R73 [肿瘤学];

学科分类号：

100214 ;

摘要：

Purpose: To measure the accuracy of radiation therapy of the breast planned with 2D and 3D algorithms. Materials and methods: The accuracy of radiation therapy of the breast with 2D and 3D algorithms was investigated as a national intercomparison using a semi-anatomical breast phantom. The dose was measured with thermoluminescent (TL) dosemeters. Results: The mean deviation of measured to planned dose at isocentre was -2.7%. The influence of some planning and irradiation factors is evaluated. Conclusion: The study demonstrates that beam energy and the use of CT have no marked influence on the accuracy of dose calculations, care has to be exercised when wedges are used and even with sophisticated 3D algorithms there is a systematic error in the dose received by the patient. (C) 1999 Elsevier Science Ireland Ltd. All rights reserved.

引用

页码：65 / 68

页数：4

共 9 条

[1] Application of AAPM Radiation Therapy Committee Task Group 23 test package for comparison of two treatment planning systems for photon external beam radiotherapy [J].