Characterizing geometrical distortions in MRI for radiotherapy: Evaluating MR-SIM protocols and dose accuracy in stereotactic radiosurgery using AAPM TG-284 criteria [0.03%]
基于AAPM TG-28报告的标准评估立体定向放射外科的MR-SIM协议和剂量准确性:描述MRI中用于放疗的几何失真
Mojtaba Barzegar,Aram Rostami,Abbass Yousef Mkanna et al.
Mojtaba Barzegar et al.
Objective: Magnetic resonance imaging (MRI) is crucial for diagnostic imaging and radiotherapy (RT) planning due to its superior soft tissue contrast. However, geometric distortions can affect treatment accuracy. This stu...
Comparison of liver stereotactic body radiotherapy plans based on free breathing and averaged CTs after trans-arterial chemoembolization using lipiodol [0.03%]
基于碘油肝动脉化疗栓塞术前后自由呼吸和平均CT的肝脏立体定向体放射治疗计划比较研究
Sei-Kwon Kang,Jai-Woong Yoon,Me Young Kim et al.
Sei-Kwon Kang et al.
Purpose: To identify which CT set is more suitable for predicting the four-dimensional (4D) cumulative dose distribution in liver stereotactic body radiotherapy (SBRT) with lipiodol retention. ...
Comparative Study
Journal of applied clinical medical physics. 2025 Oct;26(10):e70271. DOI:10.1002/acm2.70271 2025
Breath-holding treatments in tomotherapy with active breathing coordinator: A first case report [0.03%]
主动呼吸控制下容积旋转调强治疗中的屏气处理——首例报告
April Meikwan Chow,Ashley Chi Kin Cheng,Louis Kit Yee Lee
April Meikwan Chow
Purpose: Respiratory motion poses a significant challenge in radiation therapy for thoracic and abdominal malignancies. For tomotherapy machines, it is even more challenging due to the 10-s warm-up time before initiating ...
Pre-irradiation dose requirements for reference-class ionization chambers: Quantifying measurement stability [0.03%]
参考类电离室辐照前剂量需求:测量稳定性的量化指标
Takumi Yamada,Kazuki Mayumi,Satoshi Tanabe et al.
Takumi Yamada et al.
Background: Pre-irradiation of ionization chambers is widely recommended to stabilize output readings for reference dosimetry in radiation therapy. However, the specific pre-irradiation requirements for different chamber ...
The suitability of radiomics extracted from 4DCT motion-compensated reconstruction [0.03%]
基于4维锥形束CT运动补偿重建的影像组学适用性分析
Chelsea A H Sargeant,Angela Davey,Alan McWilliam
Chelsea A H Sargeant
Purpose: The most appropriate 4DCT image for radiomics analysis remains uncertain, with options including individual respiratory phases and motion-compensated (MC) reconstructions. This study compares radiomic features de...
Evaluation of image quality in mobile cone-beam CT with dose modulation using automatic exposure control: A phantom study [0.03%]
基于自动曝光控制剂量调节的移动锥形束CT图像质量评估:模型研究
Keita Okazaki,Wenchao Cao,Reza Taleei et al.
Keita Okazaki et al.
Background: The integration of mobile cone-beam computed tomography (CBCT) into brachytherapy workflows offers clinical advantages such as immediate verification of applicator placement and adaptive treatment planning. Th...
First experience with third-party validations: A robust calibration and QA procedure for proton FLASH delivery [0.03%]
首个第三方验证经验:质子FLASH递送的稳健校准和质量保证程序
Chih-Chiang Chang,Balaji Selvaraj,Xingyi Zhao et al.
Chih-Chiang Chang et al.
Background: Proton FLASH radiotherapy, delivering ultra-high dose rates, shows promise in reducing normal tissue toxicity while maintaining tumor control. However, accurate dosimetry and quality assurance (QA) for FLASH r...
Human visual perception-based grayscale contrast enhancement with adaptive window settings in computed tomography images [0.03%]
基于人眼视觉感知的CT图像自适应窗口灰度对比度增强方法
Wei Zhou,Yi Tian
Wei Zhou
Background: Grayscale contrast plays a significant role in medical imaging. This is due to the fact that visual examination, where images are represented with different gray shades on display devices, is essential in curr...
Patrick N McDermott
Patrick N McDermott
Background/purpose: It is useful to be able to make manual estimates of the output (dose rate) of shaped electron fields. Such estimates can be used to check the treatment planning computed output. For rectangular (or app...
Comparison of Dance and AAPM/EFOMP TG282 breast dosimetry methodologies for a screening population: Evaluation of model-based median breast density metrics [0.03%]
基于模型的中位乳房密度指标对筛查人群进行舞蹈和AAPM/EFOMP TG282乳腺剂量学方法的比较:评估指标体系
Ioannis Delakis
Ioannis Delakis
Background: Accurate mean glandular dose (MGD) estimation is important in breast cancer screening programs to balance diagnostic benefit with radiation risk. ...
Comparative Study
Journal of applied clinical medical physics. 2025 Oct;26(10):e70260. DOI:10.1002/acm2.70260 2025