Evaluation of femoral bone mineral density in patients with hip osteoarthritis using material density image in dual-energy computed tomography [0.03%]
双能量CT材料密度像在股骨头骨关节炎患者股骨颈骨密度评估中的应用价值研究
Takuya Tani,Hiroki Mitsuzono,Kazuhiro Sadasue et al.
Takuya Tani et al.
Bone mineral density (BMD) around the implant may decrease post-total hip arthroplasty (THA), and it is important to evaluate changes in BMD pre- and post-THA. Dual-energy X-ray absorptiometry (DXA) is commonly used to evaluate BMD. However...
Investigation of patient radiation exposure reduction through optimization of imaging conditions for stent enhancement processing in percutaneous coronary intervention: a retrospective study [0.03%]
优化血管内成像条件以减少经皮冠状动脉介入治疗患者辐射暴露的回顾性研究
Kazuya Mori,Toru Negishi,Kouhei Makabe et al.
Kazuya Mori et al.
Several percutaneous coronary intervention (PCI) support technologies have been developed to improve procedural outcomes. We retrospectively investigated whether a real-time stent enhancement processing system (Stent View; SV) can effective...
Comprehensive plan quality assessment of simplified volumetric-modulated arc therapy for lung stereotactic body radiotherapy [0.03%]
立体定向体放射治疗的简化容积调强旋转治疗的整体计划质量评估
Yuya Tatsuno,Naritoshi Mukumoto,Tomoya Ishida et al.
Yuya Tatsuno et al.
In lung stereotactic body radiation therapy, optimizing plan quality, including dosimetric quality and plan complexity, is paramount for mitigating adverse effects and enhancing dose delivery accuracy. This study evaluated the plan quality ...
Human phantom applicability of 3D-printed polylactic acid for X-ray dose analysis: simulation and measurement studies [0.03%]
基于3D打印聚乳酸的人体仿形模X射线剂量分析的适用性：仿真与测量研究
Donghee Han,Toshioh Fujibuchi
Donghee Han
In recent years, significant research has focused on the fabrication of human phantoms and the evaluation of radiological imaging using advanced 3D printing technologies and diverse filament materials. This study investigates the absorbed d...
Predictive models of severe disease in patients with COVID-19 pneumonia at an early stage on CT images using topological properties [0.03%]
基于CT影像拓扑属性的COVID-19肺炎患者重症预测模型研究
Takahiro Iwasaki,Hidetaka Arimura,Shohei Inui et al.
Takahiro Iwasaki et al.
Prediction of severe disease (SVD) in patients with coronavirus disease (COVID-19) pneumonia at an early stage could allow for more appropriate triage and improve patient prognosis. Moreover, the visualization of the topological properties ...
A CT-free deep-learning-based attenuation and scatter correction for copper-64 PET in different time-point scans [0.03%]
一种基于深度学习的铜-64 PET衰减和散射校正方法（无需CT模板图）
Zahra Adeli,Seyed Abolfazl Hosseini,Yazdan Salimi et al.
Zahra Adeli et al.
This study aimed to develop and evaluate a deep-learning model for attenuation and scatter correction in whole-body 64Cu-based PET imaging. A swinUNETR model was implemented using the MONAI framework. Whole-body PET-nonAC and PET-CTAC image...
External and internal GATE/Geant4 dosimetric calculations on voxelized phantoms [0.03%]
基于 voxel 化人体模体的外部和内部辐射剂量计算：GATE 和 Geant4 的比较研究
Merai Sondes,Benrachi Fatima,Laouet Nadjet
Merai Sondes
Monte Carlo simulation employing the GATE (Geant4 Application for Tomographic Emission) code plays a crucial role in radiation transport studies for dose calculations within computational phantoms. This paper presents a set of absorbed dose...
Optimization of imaging conditions for infant hip imaging using flat panel detectors [0.03%]
应用平板探测器优化婴儿髋关节影像检查条件的研究
Akira Suzuki,Yoshiaki Hirofuji,Noriaki Miyaji et al.
Akira Suzuki et al.
To investigate the optimal low-dose imaging conditions for infant hip radiography, using a commercially available infant phantom, and to identify conditions that are satisfactory to orthopedic surgeons, using a combination of low tube volta...
Scatter and beam hardening effect corrections in pelvic region cone beam CT images using a convolutional neural network [0.03%]
基于卷积神经网络的盆腔区域CBCT图像散射和硬化效应校正方法研究
Soya Yagi,Keisuke Usui,Koichi Ogawa
Soya Yagi
The aim of this study is to remove scattered photons and beam hardening effect in cone beam CT (CBCT) images and make an image available for treatment planning. To remove scattered photons and beam hardening effect, a convolutional neural n...
Impact of iso-dose levels on pre-treatment quality assurance in volumetric modulated arc therapy [0.03%]
等剂量线水平对体积调强弧形治疗预照射质量保证的影响研究
Sumanta Manna,Sanjib Gayen,Sonal Varshney
Sumanta Manna
The current standard of modern radiotherapy pre-treatment evaluation of dose distributions measured using gamma pass percentage is the predominant metric for Patient-Specific Quality Assurance (PSQA). The aim of the study was to analyze the...