Synergistic integration of ripple filter and penumbra reduction for enhanced dose conformity and beam delivery efficiency in proton therapy [0.03%]
用于增强质子治疗剂量顺应性和束流传输效率的涡旋滤波器和半影区减小技术的协同整合
Lijia Zhang,Nicki Schlegel,Rongcheng Han et al.
Lijia Zhang et al.
Purpose: This study evaluates the synergistic integration of Ripple Filter (RiFi) and Extended Penumbra Reduction (EPR) techniques, which reposition the patient closer to the nozzle, to enhance dose distribution and beam ...
Experimental measurement of kQ values for 150 MeV proton beams in the middle of SOBP using water calorimetry and comparison with TRS-398 rev.1 [0.03%]
水卡里奥米特里法测量SOB中150MeV质子束的kQ值并与TRS-398 rev.1比较
In Jung Kim,Jong In Park,Chul-Young Yi et al.
In Jung Kim et al.
Purpose: This study aimed to experimentally determine beam quality correction factors (kQ) for NE2571 and PTW 30013 chambers in clinical proton beams using water calorimetry and to compare the results with the TRS-398 rev...
The effect of tungsten deposition with aging on photon beam quality indexes and dose rate in a superficial radiotherapy unit [0.03%]
钨沉积老化对浅层放疗设备光子束质量指标及剂量率的影响研究
Asghar Mesbahi,Jeffrey Harwood
Asghar Mesbahi
Purpose: This study aims to quantify the effect of aging-based tungsten deposition on half-value layer (HVL) and dose rate for a commercial superficial x-ray radiotherapy unit. ...
An innovative deep learning paradigm for automated detection and accurate classification of lung nodules in magnetic resonance imaging [0.03%]
一种创新的深度学习范式用于自动检测和准确分类磁共振成像中的肺结节
Ejaz Ul Haq,Fung Fung Ting,Raphael C-W Phan et al.
Ejaz Ul Haq et al.
Lung cancer, the predominant kind of cancer, needs considerable care, since inadequate treatment may lead to fatal outcomes. The integration of computer-aided diagnostic (CAD) systems is crucial for the early detection of lung nodules, grea...
Dosimetric impact of surface-measured anatomical changes in breast radiotherapy with SGRT [0.03%]
基于表面监测的解剖变化对乳腺放疗剂量学影响研究
Dimitri Reynard,Laura Kersaudy,Lucie Chesneau et al.
Dimitri Reynard et al.
Background and purpose: This study quantified the dosimetric impact of anatomical changes in whole-breast irradiation (WBI) using surface-guided radiotherapy (SGRT) data and derived thresholds for adaptive decision-making...
Denoising of ultra-low-dose 15O positron emission tomography images using deep image prior with anatomical information extracted through magnetic resonance segmentation [0.03%]
基于深度图像先验和磁共振分割解剖信息的超低剂量15O正电子发射断层显像去噪方法
Keisuke Matsubara,Masanobu Ibaraki,Fumio Hashimoto et al.
Keisuke Matsubara et al.
Purpose: Recent deep-learning methods can recover standard-dose PET images from low-dose images. However, these methods require a large amount of data. We proposed a novel unsupervised learning approach using conditional ...
Logs are all you need: Autonomous detection of LINAC monitor chamber drift [0.03%]
日志文件自主检测LINAC监控室漂移算法
Dimitri Reynard,Maël Gastine,Christophe Mazzara
Dimitri Reynard
Background and purpose: To assess whether monitor-chamber sensitivity drift can be detected directly from Varian® Halcyon Trajectory Logs (T-logs), enabling autonomous, sensor-free output quality assurance (QA). ...
Multi-institutional international investigation of VMAT treatment planning techniques for breast cancer with regional lymph nodes [0.03%]
多机构国际研究用于区域淋巴结乳腺癌治疗计划的VMAT技术
Maria Jäckel,Alessandro Clivio,E Ambroa Rey et al.
Maria Jäckel et al.
Background: Despite constant developments in radiotherapy, optimizing Volumetric Modulated Arc Therapy (VMAT) dose distributions for whole breast with extensive lymph node involvement remains a challenge. The aim of this ...
EURADOS survey on IGRT practices in European radiotherapy clinics [0.03%]
关于欧洲放射治疗中心IGRT实践的EURADOS调查报告
Milana Vezirović,Teemu Siiskonen,Borislava Petrović et al.
Milana Vezirović et al.
Introduction: This survey was part of the EURADOS project to investigate imaging practices and estimate patient doses from IGRT. This study evaluated IGRT practices in European radiotherapy clinics, including quality assu...
Influence of radiation field size on half-value layer measurements in mammography [0.03%]
照射野大小对乳腺摄影半值层测量的影响研究
Andrea Kojić,Paula Toroi,Nikola Kržanović et al.
Andrea Kojić et al.
Introduction: Mammography measurements are commonly conducted in a radiation field of standard size without additional collimation of the primary beam. International standards, protocols and guidelines propose half-value ...