Quality assurance: Fundamental reproducibility tests for 3D treatment-planning systems

被引:3
作者
Able, Charles M. [1 ]
Thomas, Michael D. [1 ]
机构
[1] Wake Forest Univ, Bowman Gray Sch Med, High Point Reg Canc Ctr, Dept Radiat Oncol, Winston Salem, NC 27157 USA
关键词
AAPM TG-53; ADAC Pinnacle(3) QA; quality assurance;
D O I
10.1120/jacmp.2025.25345
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
The use of image- based 3D treatment planning has significantly increased the complexity of commercially available treatment- planning systems ( TPSs). Medical physicists have traditionally focused their efforts on understanding the calculation algorithm; this is no longer possible. A quality assurance ( QA) program for our 3D treatment- planning system ( ADAC Pinnacle(3)) is presented. The program is consistent with the American Association of Physicists in Medicine Task Group 53 guidelines and balances the cost- versus- benefit equation confronted by the clinical physicist in a community cancer center environment. Fundamental reproducibility tests are presented as required for a community cancer center environment using conventional and 3D treatment planning. A series of nondosimetric tests, including digitizer accuracy, image acquisition and display, and hardcopy output, is presented. Dosimetric tests include verification of monitor units ( MUs), standard isodoses, and clinical cases. The tests are outlined for the Pinnacle(3) TPS but can be generalized to any TPS currently in use. The program tested accuracy and constancy through several hardware and software upgrades to our TPS. This paper gives valuable guidance and insight to other physicists attempting to approach TPS QA at fundamental and practical levels.
引用
收藏
页码:13 / 22
页数:10
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