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Independent corroboration of monitor unit calculations performed by a 3D computerized planning system

机译:独立确认由3D计算机规划系统执行的监控器单元计算

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摘要

The checking of monitor unit calculations is recognized as a vital component of quality assurance in radiotherapy. Using straightforward but detailed computer‐based verification calculations it is possible to achieve a precision of 1% when compared with a three‐dimensional (3D) treatment planning system monitor unit calculation. The method is sufficiently sensitive to identify significant errors and is consistent with current recommendations on the magnitude of uncertainties in clinical dosimetry. Moreover, the approach is accurate in the sense of being highly consistent with the validated 3D treatment planning system's calculations.PACS number(s): 87.53.–j, 87.52.–g
机译:监视单元计算的检查被认为是放射治疗质量保证的重要组成部分。与基于三维(3D)的治疗计划系统监控器单元计算相比,使用简单但详细的基于计算机的验证计算可以达到1%的精度。该方法足够灵敏以识别重大错误,并且与当前有关临床剂量测定法不确定性幅度的建议相一致。此外,从与经过验证的3D治疗计划系统的计算高度一致的角度来看,该方法是准确的。PACS编号:87.53.–j,87.52.–g

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