A survey of practice patterns for patient-specific quality assurance on behalf of the ESTRO dosimetry & quality assurance focus group [0.03%]
放射治疗患者特异性质量保证的实施情况调查——ESTRO剂量学及质量保证专题组委托项目报告
Stéphane Dufreneix,Marion Essers,Maria M Aspradakis et al.
Stéphane Dufreneix et al.
Background and purpose: As treatment planning and delivery systems nowadays have the capability to simulate and realise increasingly complex irradiation geometries, quality assurance programs need to be reviewed and exten...
First evaluation of in-patient dose calculation accuracy on a C-arm Linear Accelerator with advanced Cone-Beam computed tomography (CBCT) imaging [0.03%]
带有高级锥形光束computed tomography(CBCT)成像的C臂直线加速器入院剂量计算精度的首次评估
Kenneth W Gregg,Theodore Arsenault,Sagar Regmi et al.
Kenneth W Gregg et al.
Background and purpose: Innovations in on-board Cone-Beam Computed Tomography (CBCT) show promise for accurate dose calculation due to higher CT number precision compared to prior C-arm CBCT systems. We prospectively inve...
David J A Palm,John Paulissen,Rik Emmah et al.
David J A Palm et al.
Background and purpose: Pituitary Adenomas (PAs) are tumours proximal to sensitive organs of interest (OOIs). These tumours may be well-suited for proton therapy due to the Bragg peak. Few studies have evaluated the poten...
A feasibility study on a machine-learning-based quality assurance tool for spot-scanning proton therapy using delivery log files and treatment plans [0.03%]
基于机器学习的质子治疗质量保证工具的可行性研究：使用输送日志文件和治疗计划进行点扫描质子治疗
Sang Kyun Yoo,Sridhar Yaddanapudi,Bo Lu et al.
Sang Kyun Yoo et al.
Background and purpose: Although pencil beam scanning provides superior dose conformity, delivery uncertainties remain in beam monitoring and steering systems. This study evaluates a machine learning model that predicts d...
Photon-counting detector computing tomography in treatment planning of head-and-neck cancer [0.03%]
头颈癌治疗计划中的单光子计数探测器计算断层摄影技术
Enkelejda Lamaj,Patrick Wohlfahrt,Lotte Wilke et al.
Enkelejda Lamaj et al.
Background and purpose: Photon-counting detector computed tomography (PCD-CT) offers several image reconstruction options, e.g. virtual monoenergetic images (VMIs) and relative electron density (RED) images. This study in...
Improved organs-of-interest dose reduction potential with intensity modulated proton therapy and breath-hold in mediastinal lymphoma [0.03%]
改良型兴趣器官剂量递减潜能与强度调控质子疗法和屏气在纵膈淋巴瘤中的应用
Bastiaan D P Ta,Richard A M Canters,Kim van der Klugt et al.
Bastiaan D P Ta et al.
Background and purpose: For mediastinal lymphoma patients, comparative data on intensity modulated proton therapy in breath-hold (IMPT-BH) versus other radiation techniques remain limited, particularly regarding dose-volu...
Conditional organs-of-interest segmentation with plausible inter-fraction variation simulation for pancreatic magnetic resonance-guided radiotherapy in limited-data settings [0.03%]
基于条件感兴趣器官分割的有限数据集下的胰腺磁共振引导放疗容积变化模拟研究
Mehdi Shojaei,Björn Eiben,Jamie R McClelland et al.
Mehdi Shojaei et al.
Background and purpose: Manual contouring of organs of interest (OoIs) is a major bottleneck in pancreatic magnetic resonance-guided online adaptive radiotherapy (oART). We developed C-SegDeform, a data-efficient conditio...
Assessing the quality of deformable image registration in magnetic resonance image guided carbon ion liver radiotherapy with an anthropomorphic phantom [0.03%]
采用人体模型体模评估磁共振图像引导碳离子肝放射治疗中图像配准质量
Rita Pestana,Anahita Bakhtiari Moghaddam,Friderike K Longarino et al.
Rita Pestana et al.
Background and purpose: Carbon ion radiotherapy (CIRT) for liver patients is usually administrated in four high-dose fractions, requiring high geometrical precision. Work is underway to implement online magnetic resonance...
Estimation of bone mineral density with computed tomography performed in radiotherapy planning [0.03%]
基于放疗计划的CT骨密度评估方法研究
Julia Götstedt,Frida Ljung,Jenny Nilsson et al.
Julia Götstedt et al.
Background and purpose: Cancer patients are at increased risk of impaired bone health. The aim of this study was to develop a method for estimating bone mineral density (BMD) from computed tomography (CT) images acquired ...
In-vivo dosimetry using electronic portal imaging in online-adaptive radiotherapy for rectal cancer [0.03%]
在线自适应放疗中应用电子 Portal 成像的体内剂量监测研究（直肠癌）
Gary Razinskas,Robert Schindhelm,Anne Richter et al.
Gary Razinskas et al.
Background and purpose: Electronic portal imaging device (EPID)-based in-vivo dosimetry (IVD) is widely used to verify radiotherapy dose delivery and detect deviations from anatomical changes, setup uncertainties, or mach...