3D Plastronics Culture Chambers and Benchtop MRI Setup Toward Tissue Engineering Applications [0.03%]
用于组织工程的3D皮下打印培养装置和台式磁共振系统
Valernst Martial Gilmus,Yilbert Gimenez,Tony Gerges et al.
Valernst Martial Gilmus et al.
The rise of low-field benchtop MRI offers exciting opportunities for non-invasive, volumetric imaging of large biofabricated tissues in standard tissue engineering labs. Although low-field benchtop MRI scanners provide a cost-effective and ...
Correction of Respiratory Motion in Free-Breathing DCE-MRI Using a Pilot-Tone Coil [0.03%]
利用导频音线圈校正在自由呼吸下DCE-MRI中的呼吸运动误差
Ruoxun Zi,Mario Bacher,Peter Speier et al.
Ruoxun Zi et al.
Respiratory motion poses a major challenge in abdominopelvic MRI and often leads to strong artifacts. Self-navigation techniques have been proposed for motion correction, allowing free-breathing examination. However, self-navigation methods...
Assessing Age-Associated Influences on Paramagnetic and Diamagnetic Susceptibility Maps in Postmortem Human Brains [0.03%]
死后人脑中与年龄有关的顺磁性和抗磁性磁化率图的影响评估
José Henrique Monteiro de Azevedo,Maria Concepción Garcia Otaduy,Andre Avanzine et al.
José Henrique Monteiro de Azevedo et al.
Maps of paramagnetic and diamagnetic components of magnetic susceptibility can provide insights into the distribution of iron and myelin during brain aging. Postmortem validation is essential to ensure that these maps accurately reflect in ...
Domain-Conditioned and Temporal-Guided Diffusion Modeling for Accelerated Dynamic MRI Reconstruction [0.03%]
条件域约束和时序引导的扩散模型在加速动态MRI重建中的应用研究
Liping Zhang,Iris Yuwen Zhou,Sydney B Montesi et al.
Liping Zhang et al.
This study introduces a domain-conditioned and temporally guided diffusion framework for accelerated dynamic MRI reconstruction, in which the reverse diffusion process is explicitly guided to model spatiotemporal structure in time-resolved ...
The Impact of Gadolinium on Quantitative Myelin Metrics in Ex Vivo Spinal Cord [0.03%]
钆对离体脊髓定量髓鞘计量学的影响
Hannah E Alderson,Mark D Does,Kevin D Harkins
Hannah E Alderson
The goal of this work was to evaluate the impact of gadolinium on quantitative myelin MRI metrics in ex vivo tissue. Ex vivo ferret spinal cords were imaged with and without gadolinium. Mean metrics were calculated across white and gray mat...
Deep Learning Reconstruction Enables Diagnostic-Quality 0.4T Knee and Spine MRI in One-Third of the Time [0.03%]
基于深度学习的重建使膝关节和脊柱MRI诊断质量达到0.4T，在扫描时间减少三分之一的情况下依旧保持高质量
Daisy M van den Berg,Rosario Varriale,Fabrizio Ferrando et al.
Daisy M van den Berg et al.
There has been a growing interest in low-field MRI due to its lower costs, enabling an increase in accessibility of MRI worldwide. Long scan times are currently needed to obtain high-quality images. The aim of our study was to accelerate lo...
Optimized Quantitative Susceptibility Mapping at 7T MRI for Assessing Iron Deposition in Alzheimer's Disease [0.03%]
一种优化的定量磁化率mapping方法能够在7T MRI上评估阿尔茨海默病中铁沉积的情况
Felisha Ma,Pinar Senay Özbay,Berkin Bilgic et al.
Felisha Ma et al.
Elevated brain iron levels are common in Alzheimer's disease (AD). Quantitative susceptibility mapping (QSM) is an advanced MRI technique for assessing iron accumulation. The optimized QSM at 7 Tesla (7T) MRI may further improve the sensiti...
Enhanced Glioma Genotype Prediction Using CEST MRI With Full Z-Spectrum Input, Pixel-Level Learning, and Majority Voting [0.03%]
基于全Z谱输入、像素级学习和多数投票的CESТ-MRI胶质瘤基因分型增强方法
Zhekai Chen,Jue Lu,Xinli Zhang et al.
Zhekai Chen et al.
Accurate glioma genotype prediction, such as the isocitrate dehydrogenase (IDH) mutation and O6-methylguanine-DNA methyltransferase (MGMT) promoter methylation status, is critical for personalized treatment planning and prognosis. Chemical ...
Effect of the Temporal Sampling Strategy for the Assessment of Cerebral Perfusion in Multidelay Arterial Spin Labeling [0.03%]
时间取样策略对多延迟动脉自旋标记脑灌注评估的影响
Ryoji Mikayama,Osamu Togao,Makoto Obara et al.
Ryoji Mikayama et al.
Multidelay arterial spin labeling (ASL) MRI requires balancing temporal resolution with scan duration. The goal of the current study is to evaluate the influence of the temporal sampling strategy, implemented through temporal downsampling, ...
3D Radial Knee Imaging at 0.55 T: Simultaneous T1-T2 Mapping and Synthetic Contrast Generation in Under 4 min [0.03%]
3D径向膝关节成像：在不到4分钟的时间内同时进行T1-T2制图和合成对比度生成
Nicolás Garrido,Diego Pedraza,Carlos Castillo-Passi et al.
Nicolás Garrido et al.
Quantitative MRI (T1-T2) has been shown to be useful for early diagnosis of osteoarthritis (OA) in the knee at 1.5 and 3 T. However, limited research has been performed at 0.55 T. In this study, we aim to develop and evaluate the feasibilit...