Auto-segmentation and dose accuracy evaluation of synthetic computed tomography generated from pelvis cone-beam computed tomography images using a cycle-generative adversarial network with a novel loss function [0.03%]
基于盆腔锥形束CT图像的循环生成对抗网络合成CT剂量精度评价及自动分割研究
Silambarasan Anbumani,Andrew Keeler,Jiaofeng Xu et al.
Silambarasan Anbumani et al.
Background and purpose: Synthetic CT (sCT) images generated from cone-beam CT (CBCT) images have shown improved image quality over CBCT images. This work evaluated a deep learning (DL)-based sCT model with the potential t...
Estimation of accumulated dose to organs at risk in head and neck cancer patients treated with scheduled replanning and dose painting in the ARTFORCE trial [0.03%]
ARTFORCE试验中头颈癌再计划和剂量绘画治疗的器官危及并发症的累积吸收剂量估算
Anna Liza M P de Leeuw,Simon R van Kranen,Jordi Giralt et al.
Anna Liza M P de Leeuw et al.
Background and purpose: This study investigated whether scheduled adaptive radiotherapy (ART) improved delivered dose to organs at risk (OAR) in patients with locally advanced head and neck cancer treated with dose painti...
Quality assurance incorporating artificial intelligence-generated reference contours in a phase II radiotherapy trial [0.03%]
质量保证纳入人工智能生成的参考轮廓的二期放射治疗试验
Wonhyeong Lee,Yeon-Joo Kim,Jin Hee Kim et al.
Wonhyeong Lee et al.
Background and purpose: A dummy run quality assurance was conducted for a prospective phase II trial of tailored radiotherapy (RT) according to the response after neoadjuvant chemotherapy (NAC) followed by surgery in loca...
Trends in brachytherapy utilization in Canada from 2011 to 2020 [0.03%]
2011至2020年加拿大近距离放射治疗应用趋势分析报告
Mirta Dumančić,Yujing Zou,Harry Glickman et al.
Mirta Dumančić et al.
Background and purpose: Brachytherapy is a highly conformal and cost-effective radiotherapy modality, yet its clinical utilization has declined in multiple regions. This study investigated trends in brachytherapy utilizat...
Benchmarking a new radiochromic film type for photon and proton beam dosimetry [0.03%]
一种新型放射照相乳胶膜用于光子和质子束剂量测量的基准检测
Peter Kuess,Barbara Knäusl,Sarah Helletzgruber et al.
Peter Kuess et al.
Background and purpose: EBT4 Radiochromic films (RCFs) are replacing the well-described EBT3 type. This study aimed to benchmark the EBT4 type against its predecessor for photon (kV and MV) and proton beam dosimetry. ...
The impact of DICOM import/export on radiotherapy structures in commercial systems [0.03%]
Dicom导入和导出对商用放疗系统结构的影响研究
Mark J Gooding,Annamieke Koops,Ciaran Malone et al.
Mark J Gooding et al.
Background and purpose: To investigate the impact that loading contours into an internal representation and saving them back to DICOM format has on contour position within commercially available contouring systems. ...
Assessing the technical capability of a room- and a gantry-mounted kV imaging device for intra-fractional fluoroscopy during stereotactic lung radiotherapy at a C-arm linear accelerator [0.03%]
评估C形臂直线加速器上机架安装和房间安装的kV成像设备在立体定向肺癌放射治疗期间进行术中透视的技术能力
Hannah Jungreuthmayer,Barbara Knäusl,Julius Arnold et al.
Hannah Jungreuthmayer et al.
Background and purpose: Monitoring lung tumors during stereotactic radiotherapy is important for managing breathing motion, yet the high-performance imaging modules on C-arm linear accelerators are mainly used for patient...
Necessity of energy layer repainting for proton radiotherapy in breast cancer patients [0.03%]
乳腺癌患者质子放疗中能量层 repaint 的必要性分析
Bojan Štrbac,Truls Andersen,Jeffrey Free et al.
Bojan Štrbac et al.
This study assessed the necessity of energy layer repainting for free-breathing breast proton therapy using pencil beam scanning (PBS). Ten patients were analyzed via log file-based 4D dose reconstruction across three scenarios: no repainti...
A novel audit methodology to improve detection of planning and delivery errors in passive motion management [0.03%]
一种新颖的审计方法，可通过被动运动管理改善计划和交付错误检测
Alex Burton,Sabeena Beveridge,Nicholas Hardcastle et al.
Alex Burton et al.
Background and purpose: End-to-end dosimetry audits, including respiratory motion, typically compare film measurements acquired in a moving frame directly to planned dose distributions that do not resolve the applied moti...
Structure visibility and online adaptation suitability of a new high-performance ring-gantry cone-beam computed tomography imaging system in thoracic radiotherapy [0.03%]
一种新型高性能环架锥形束CT影像引导系统在胸部放疗中的结构可视性和在线适配性研究
Agustinus J A J van de Schoot,Joan J Penninkhof,Britt Kunnen et al.
Agustinus J A J van de Schoot et al.
Background and purpose: A recently introduced high-performance ring-gantry cone-beam computed tomography (CBCTH) imaging system promises superior image quality compared with conventional ring-gantry CBCT imaging (CBCTC), ...