Direct measurement of relative stopping power maps of prosthesis devices and synthetic materials by proton computed tomography [0.03%]
质子计算机断层扫描直接测量假体设备和合成材料的相对停止功率图谱
Mara Bruzzi,Monica Scaringella,Roberto Righetto et al.
Mara Bruzzi et al.
Treatment planning in proton therapy requires an accurate estimation of Stopping Power Ratio relative to water (SPR) maps. Presently, about 4% of patients submitted to radiotherapy treatments have metallic implants, which are responsible fo...
Channelised Hotelling observer detectability index vs minimum detectable contrast for x-ray computed tomography [0.03%]
通道化Hotelling观察者可检测性指标与x射线计算机断层扫描的最小可检测对比度之间的关系研究
Mathias Anton,Patrizia Kunert,Maximilian Göppel et al.
Mathias Anton et al.
Objective The aim of this study is to investigate the relation between two figures of merit for the low contrast resolution of CT imaging systems, with the perspective of its use for acceptance and constancy testing.Approach We use simulate...
Anti-scatter grid performance in digital mammography and contrast-enhanced mammography: a Monte Carlo study [0.03%]
数字乳腺摄影和对比增强乳腺摄影中防散射栅格的性能:一种蒙特卡罗研究方法
Franziska Mauter,Mathias Anton,Ruben E van Engen et al.
Franziska Mauter et al.

Digital mammography (DM) and dual-energy contrast-enhanced mammography (CEM) use the same anti-scatter grid, despite their differences in x-ray spectra. This study investigated grid performance under clinically relevant conditions in D...
Integrating aperture shape controller and machine learning prediction to improve gamma passing rates in lattice radiotherapy [0.03%]
结合孔径形状控制和机器学习预测提高格子放射治疗的伽马通过率
Xiangyu E,Su Zeng,Minghe Lv et al.
Xiangyu E et al.
This study proposes a workflow integrating the Aperture Shape Controller (ASC) in the Varian Eclipse system with a machine learning-based verification prediction model to improve gamma passing rates (GPRs) of LATTICE Radiotherapy (LRT) plan...
Impact of focused ultrasound on the cellular network of liver tissue: a new perspective for thermal lesion detection [0.03%]
聚焦超声对肝组织细胞网络影响的实验研究及热凝固灶检测的新方法
Adrien Rohfritsch,Alexis Griffon,Elorri Olhagaray et al.
Adrien Rohfritsch et al.
The noninvasive characterization of soft tissue microstructure remains challenging and has a significant clinical impact on diagnosis and therapy monitoring. During high-intensity focused ultrasound (HIFU) treatments, coagulation necrosis i...
Pulse-by-pulse ultra-high resolution scintillation imaging of proton FLASH beams produced by a gantry-mounted synchrocyclotron [0.03%]
由机架安装同步回旋加速器产生的质子FLASH束的脉冲超高速率闪烁成像
S Murty Goddu,Scott Holloingsworth,Winter Green et al.
S Murty Goddu et al.
Objective. Radiation therapy at ultra-high dose rate (UHDR) has emerged in the past decade as a novel technique with potential to improve the therapeutic index through a phenomenon referred to as 'FLASH effect'. Its reliable pre-clinical st...
Artificial intelligence for predicting the axial length response of orthokeratology in myopic children [0.03%]
用于预测近视儿童佩戴OK镜后轴长反应的智能算法
Xin Rong,Zihui Wu,Zihang Xu et al.
Xin Rong et al.
This study aimed to automate the extraction of local corneal topography (CT) features in myopic children undergoing orthokeratology (OK), evaluate their causal effects on axial length (AL) control, and develop a predictive model for AL prog...
Comparative analysis of retinal and cerebral vascular responses to CO₂ using Doppler optical coherence tomography and transcranial Doppler ultrasound [0.03%]
基于光学相干断层血管造影及经颅多普勒超声的二氧化碳吸入下眼底和脑部血管反应的对比研究
Jakub Kluczewski,Ewelina Aneta Pijewska,Michał Chlebiej et al.
Jakub Kluczewski et al.
Access to blood flow data in cerebral and retinal vascular beds is crucial for diagnosing cerebrovascular diseases. This study addresses two technological gaps: (1) simultaneous recording of vascular responses in the brain and eye by integr...
Absorbed doses to single cells from radionuclides Tb-161, Pd-103, Pd-109, and Er-165 in different cellular compartments and neighbour cells [0.03%]
不同细胞间隔及邻近细胞内的放射性核素Tb-161,Pd-103,Pd-109和Er-165对单个细胞的吸收剂量
Hein Fourie,Julie Anne Bolcaen,Stephen W Peterson et al.
Hein Fourie et al.
Targeted radionuclide therapy (TRT) using Auger electron (AE) emitting radionuclides is promising for the treatment of small tumour lesions and metastases. However, selecting the optimal AE emitting radionuclide and its ideal targeting cell...
Modality-agnostic, patient-specific digital twins modeling temporally varying digestive motion [0.03%]
一种模态无关的患者特定型数字孪生建模时变消化运动模型
Jorge Tapias Gomez,Nishant Nadkarni,Lando S Bosma et al.
Jorge Tapias Gomez et al.
Objective: Clinical implementation of deformable image registration (DIR) requires voxel-based spatial accuracy metrics such as manually identified landmarks, which are challenging to implement for highly mobile gastroint...