Calculation algorithms and penumbra: Underestimation of dose in organs at risk in dosimetry audits,Medical Physics

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Calculation algorithms and penumbra: Underestimation of dose in organs at risk in dosimetry audits
Medical Physics ( IF 3.8 ) Pub Date : 2021-07-21 , DOI: 10.1002/mp.15123
Jeremy Hughes _{1,

2} , Jessica Elizabeth Lye _{1,

3} , Fayz Kadeer ₁ , Andrew Alves ₁ , Maddison Shaw _{1,

4} , Jeremy Supple ₁ , Stephanie Keehan _{1,

5} , Francis Gibbons _{1,

6} , Joerg Lehmann _{4,

7,

8,

9} , Tomas Kron _{2,

4}

Affiliation

The aim of this study is to investigate overdose to organs at risk (OARs) observed in dosimetry audits in Monte Carlo (MC) algorithms and Linear Boltzmann Transport Equation (LBTE) algorithms. The impact of penumbra modeling on OAR dose was assessed with the adjustment of MC modeling parameters and the clinical relevance of the audit cases was explored with a planning study of spine and head and neck (H&N) patient cases.

中文翻译：

计算算法和半影：剂量学审计中风险器官剂量的低估

本研究的目的是调查在蒙特卡罗 (MC) 算法和线性玻尔兹曼传输方程 (LBTE) 算法的剂量学审核中观察到的风险器官 (OAR) 过量。通过调整 MC 建模参数来评估半影建模对 OAR 剂量的影响，并通过脊柱和头颈部 (H&N) 患者病例的规划研究来探索审计病例的临床相关性。

更新日期：2021-07-21

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