Patient-specific quality assurance at the Heidelberg Ion Beam Therapy Center: 10 years experience in treatment plan verification [0.03%]
个性化质子重离子治疗计划的临床质量控制体系及应用经验：以海德堡离子束治疗中心为例
Abdallah Qubala,Christian P Karger,Julian Horn et al.
Abdallah Qubala et al.
Background: To ensure accurate, safe, and reproducible patient treatments, it is essential to have precise knowledge and a solid understanding of patient-specific quality assurance (PSQA). For many years, the delivery of ...
Healthy lung and heart reference volumes and dosimetry phantoms from automatic CT segmentation [0.03%]
基于自动CT分割的健康肺和心脏参考体积及剂量计算模型
Chung Yoh Kim,Jin Seo Park
Chung Yoh Kim
This work aimed to establish average lung and heart volumes in a large population of healthy young Korean adults and to produce age- and sex-specific thoracic surface phantoms that precisely match those averages. The dataset is intended for...
Feasibility of ultra-low-dose volumetric 4D-CT with frame averaging for high-fidelity respiratory motion assessment and improved image quality [0.03%]
基于帧平均的低剂量体四维CT在高保真度呼吸运动评估和改善图像质量中的可行性研究
Timothy Yau,Hatem Mehrez,Stewart Gaede
Timothy Yau
Background: Precise modeling of respiratory-induced tumor motion is crucial for radiotherapy planning, particularly in the treatment of thoracic and abdominal malignancies. While four-dimensional computed tomography (4D-C...
Accuracy and precision of few-time-points renal dosimetry for [177Lu]Lu-PSMA-617 therapy: Analysis with nonlinear mixed-effects modeling [0.03%]
基于非线性混合效应模型的镥-PSMA-617治疗若干时间点肾剂量学的准确性及精密性分析
Assyifa R Hakim,Deni Hardiansyah,Elham Yousefzadeh-Nowshahr et al.
Assyifa R Hakim et al.
Background: Determination of time-integrated activity (TIA) with a reduced number of imaging sessions is essential for minimizing patient burden and clinical workload in the dosimetry of [177Lu]Lu-PSMA-617. One approach t...
Coronary calcium scoring on contrast-enhanced spectral coronary computed tomography angiography using a calcium-specific algorithm [0.03%]
对比增强谱CT冠脉血管成像的钙化评分功能研究
L R Koetzier,P M Tetteroo,E Encinas Vargas et al.
L R Koetzier et al.
Background: Coronary artery calcium (CAC) scoring requires a non-contrast scan in addition to contrast-enhanced coronary CT angiography (CCTA), increasing radiation dose and scan time. Virtual non contrast (VNC) methods f...
Comparison of methodological uncertainties in tissue parameter estimation for carbon ion dose calculation [0.03%]
碳离子剂量计算组织参数估计的不确定性比较
Shutong Yu,Yan Li,Weiguang Li et al.
Shutong Yu et al.
Background: Accurate dose calculation is essential for securing the therapeutic benefit and safety of carbon ion radiotherapy. However, the uncertainty associated with tissue parameter estimation methods for Monte Carlo-b...
Comparative Study
Medical physics. 2026 Jan;53(1):e70252. DOI:10.1002/mp.70252 2026
Yibin Liu,Zhonglin Lu,Gefei Chen et al.
Yibin Liu et al.
Background: Partial volume effect degrades the quantification accuracy of SPECT across the field-of-view at varying extent. However, traditional partial volume corrections (PVCs) usually apply a spatially invariant point ...
Conventional versus Monte Carlo SPECT reconstruction of Lu-177: Toward reduced bias and variance in quantitative imaging [0.03%]
镥-177的常规与蒙特卡洛SPECT重建：降低定量成像中的偏差和方差偏向
Lucas A Polson,Pedro Esquinas,Sara Kurkowska et al.
Lucas A Polson et al.
Background: Monte Carlo (MC)-based single photon emission computed tomography (SPECT) reconstruction utilizes advanced system models that stochastically sample all possible photon interactions within the patient and detec...
Comparative Study
Medical physics. 2026 Jan;53(1):e70222. DOI:10.1002/mp.70222 2026
Dosimetric impact and safety of uninterrupted fluoroscopic-gated proton therapy [0.03%]
连续门控质子治疗的剂量学影响和安全性研究
Masashi Yamanaka,Keith M Furutani,Ryosuke Shirata et al.
Masashi Yamanaka et al.
Background: Fluoroscopic-gated proton therapy (FGPT) enables precise dose delivery to tumors affected by respiratory motion by tracking internal fiducial markers and delivering the proton beam when the marker is within a ...
Comparison of two established approaches for generating Hounsfield look-up tables for CT-based SPR prediction [0.03%]
两种建立的用于生成基于CT的SPR预测霍恩斯菲尔德查找表的方法的比较
Minoru Nakao,Julian Schwengfelder,Christian Richter et al.
Minoru Nakao et al.
Background: To ensure consistency in treatment planning across institutions, inter-center variations in Hounsfield look-up tables (HLUTs) have been evaluated using different methods in Japan and Europe. In Japan, the Hiro...
Comparative Study
Medical physics. 2026 Jan;53(1):e70236. DOI:10.1002/mp.70236 2026