Establishment and validation of a FLUKA radiation model for a medical electron linear accelerator room based on a virtual source [0.03%]
基于虚拟源建立和验证医用电子直线加速器间FLUKA辐射模型
Zhixin Wang,Liuqing Jiang,Huashan Sheng et al.
Zhixin Wang et al.
Purpose: In Monte Carlo (MC) simulations of medical electron linear accelerator (linac) rooms using FLUKA, time-consuming modeling and simulation of the accelerator head are typically required, and FLUKA cannot directly r...
Automatic adaptive radiotherapy triggering based on CBCT using deep learning for esophageal cancer underwent volumetric modulated arc therapy [0.03%]
基于CBCT的深度学习自动自适应调强放疗触发系统在食道癌中的应用研究
Juebin Jin,Jiayi Xu,Yapeng Liu et al.
Juebin Jin et al.
Background: Esophageal cancer (EC) is a highly fatal malignancy for which radiotherapy plays a critical role in treatment. However, anatomical changes during radiotherapy can lead to increased doses to surrounding organs ...
Solid-state dosimeters have rendered ionization chambers obsolete for routine diagnostic X-ray quality control [0.03%]
固体剂量计已取代电离室成为常规诊断X射线质量控制的首选方法
Allen R Goode,Kevin A Wunderle,David W Jordan
Allen R Goode
Today's diagnostic medical physicist finds a broad variety of instruments available to make the numerous quality control (QC) measurements needed for routine equipment evaluations. One of the distinguishing features of different options is ...
Dosimetric comparison of FF and FFF modes under non-ideal bolus-fitting conditions for post-mastectomy chest wall irradiations [0.03%]
非理想条件下胸壁适形补块的射线治疗剂量学对比研究
Long-Gang Gui,Yin Poo
Long-Gang Gui
Background: In post-mastectomy radiotherapy, tissue-equivalent bolus is routinely used to ensure adequate skin dose. However, achieving perfect contact on curved chest walls is challenging, often resulting in non-uniform ...
Development of a virtual phantom for HDR cervical cancer brachytherapy: A multi-institutional tool for training, quality assurance, and variability reduction [0.03%]
HDR宫颈癌后装治疗虚拟模体的发展:一个用于培训、质量控制和减少变异性的多中心工具
Kotaro Iijima,Hiroyuki Okamoto,Takahiro Ushijima et al.
Kotaro Iijima et al.
Background: High-dose-rate brachytherapy (HDR-BT) is a critical modality in the treatment of cervical cancer, requiring accurate and efficient treatment planning. Unlike external beam radiation therapy, HDR-BT demands spe...
PCA-based respiratory motion modeling for individualized PTV margin optimization in NSCLC radiotherapy [0.03%]
基于PCA的呼吸运动建模在NSCLC放疗中用于优化个体化PTV margins的方法研究
Huy Dang Quang,Cong Nguyen Thanh,Trang Hoang Thi Kieu et al.
Huy Dang Quang et al.
Background: Respiratory motion remains a major challenge in radiotherapy for non-small cell lung cancer (NSCLC), often requiring a balance between target coverage and normal tissue sparing. ...
Quantitative assessment of CBCT image quality metrics and their translation to clinical Art workflow performance in breast cancer patients [0.03%]
乳腺癌患者CBCT图像质量定量评估及其临床治疗摆位性能的转换研究
Sunhwa Kim,Young Kyu Lee,Wonjoong Cheon et al.
Sunhwa Kim et al.
Background: Online adaptive radiotherapy (ART) relies on cone-beam computed tomography (CBCT) imaging for daily treatment adaptation, but CBCT's physical limitations can compromise contour delineation and dose calculation...
Global spotlight editorial: Advancing treatment planning to promote equity through AI and automation in clinical medical physics [0.03%]
全球观点专栏:通过人工智能和临床医学物理中的自动化推进治疗计划以促进公平性
Nataliya Kovalchuk,Laurence Court,Jianrong Dai et al.
Nataliya Kovalchuk et al.
Development and validation of a 3D printed phantom for image quality assessment in fluoroscopy [0.03%]
用于透视图像质量评估的3D打印体模的开发与验证
Túlio Guilherme Soares Marques,Diana Rodrigues de Pina
Túlio Guilherme Soares Marques
Background: Low-contrast detectability is a key image-quality parameter in fluoroscopy, directly influencing diagnostic accuracy and patient safety. Commercial phantoms such as the CDRAD provide reliable assessments but a...
Performance evaluation of the binary MLC system on a novel biology-guided radiotherapy machine using beamlet sequence log data from daily clinical treatments [0.03%]
基于每日临床治疗数据的新型生物引导放射治疗机二元多叶准直器系统性能评估
Chunhui Han,Dave Meer,Blake Gaderlund et al.
Chunhui Han et al.
Purpose: To evaluate the clinical performance of a binary multi-leaf collimator (MLC) that makes high-frequency transitions on a novel ring-gantry medical linac. ...