Quantitative Susceptibility Mapping of the Cervical Spinal Cord at 3T and Application to Multiple Sclerosis [0.03%]
定量分析颈椎脊髓磁敏感性mapping的3T及在多发性硬化症中的应用研究
Benjamin Streichenberger,Mathieu Santin,Ludovic de Rochefort et al.
Benjamin Streichenberger et al.
Quantitative susceptibility mapping (QSM) is an advanced MRI technique that links phase variations to the local tissue susceptibility. In multiple sclerosis (MS), QSM has shown promise in characterizing brain lesions by assessing chronic in...
Gonzalo G Rodriguez,Sergey Korchak,Charlotte von Petersdorff-Campen et al.
Gonzalo G Rodriguez et al.
Low-field MRI (B0 ≤ 0.2 T) is emerging as a technology with the potential to revolutionize clinical diagnostics and patient monitoring. The reduction in magnetic field strength comes along with a decrease in the cost of the scanners and th...
FENCE: Flexible Electric Noise Reduction Endo-Shield for the Suppression of Electromagnetic Interference in Low-Field MRI [0.03%]
灵活的电子噪声减少内屏蔽罩，用于低场MRI中电磁干扰的抑制
Julia Pfitzer,Martin Uecker,Hermann Scharfetter
Julia Pfitzer
Electromagnetic interference (EMI) is a significant challenge for low-field MRI systems operating without conventional Faraday-shielded rooms. This interference degrades image quality and limits deployment in space-constrained or electromag...
Preclinical Quantitative In Vivo MRI Assessment of Exogenous Surfactant Pulmonary Distribution After Clinically Relevant Intratracheal Delivery [0.03%]
临床相关气管内给药后外源性表面活性剂肺部分布的前期定量体内MRI评估
Oumaima Marfouk,Rémy Gérard,Ghalia Kaouane et al.
Oumaima Marfouk et al.
Optimizing pulmonary exogenous surfactant delivery remains a critical challenge in neonatal care, particularly for achieving uniform distal lung deposition while minimizing airway obstruction. This study aimed to establish a preclinical ima...
Robust Magnetic Field Homogeneity Enhancement via Local Passive Shimming in a Superconducting Magnet for Animal MRI [0.03%]
用于动物磁共振成像的超导磁体的局部被动调谐以增强磁场均匀性
Haoran Chen,Yaohui Wang,Wenchen Wang et al.
Haoran Chen et al.
In ultrahigh-field magnetic resonance imaging (MRI) systems, achieving subppm static magnetic field homogeneity is critical. However, engineering tolerances and assembly errors often introduce complex field inhomogeneities that global shimm...
Input Layer Regularization and Automated Regularization Hyperparameter Tuning for Myelin Water Estimation Using Deep Learning [0.03%]
深度学习在髓鞘水分子估算中的输入层正则化及自动调节正则化超参数
Mirage Modi,Shashank Sule,Jonathan Palumbo et al.
Mirage Modi et al.
We present a deep learning framework that combines classical regularization and data preprocessing to improve estimation of the myelin water fraction (MWF) in the brain from magnetic resonance relaxometry data. The proposed method is develo...
In Vivo Imaging With a Low-Cost MRI Scanner and Cloud Data Processing in Low-Resource Settings [0.03%]
低成本MRI扫描仪的体内成像及低资源条件下的云端数据处理技术
Teresa Guallart-Naval,Robert Asiimwe,Patricia Tusiime et al.
Teresa Guallart-Naval et al.
The goal of this work is to demonstrate in vivo imaging with a low-cost, low-field MRI scanner built and operated in Africa and to show how systematic hardware and software improvements can mitigate the main operational limitations encounte...
Multi-Shot Multi-Echo xSPEN Technique for Portable Low-Field MRI Systems [0.03%]
用于便携式低场磁共振系统的多激发多回波xSPEN技术
Yueqi Qiu,Philip K Lee,Ke Dai et al.
Yueqi Qiu et al.
In compact portable low-field MRI systems, imaging suffers from severe distortions due to significant field inhomogeneity and gradient nonlinearity. The purpose of this work was to develop and evaluate a Multi-Shot Multi-Echo cross-term Spa...
Structural Characterization of Cardiac Free-Running Purkinje Fibers Using Inhomogeneous Magnetization Transfer (ihMT): A Proof of Concept MRI-Histology Approach [0.03%]
基于 ihMT 的心室普肯野纤维结构表征的磁共振成像与组织学对比研究概念验证性研究
Arash Forodighasemabadi,Evgenios N Kornaropoulos,Marion Constantin et al.
Arash Forodighasemabadi et al.
The cardiac Purkinje network plays a critical role in maintaining synchronized ventricular activation but remains difficult to image due to its fine and complex structure. Conventional MRI techniques lack sufficient contrast to distinguish ...
Unique Peritumoral Patterns Unveiled by Quantitative Multiparametric MRI and Their Diagnostic and Prognostic Value in Treated Malignant Gliomas [0.03%]
定量多参数MRI在治疗后的恶性胶质瘤中发现的独特肿瘤周区影像学模式及其诊断和预后价值
Keyi Chai,Puyang Wang,Austin Carmichael et al.
Keyi Chai et al.
Malignant gliomas remain among the most challenging brain tumors to manage, with high recurrence rates and difficulty in distinguishing progression from treatment-related changes. While the peritumoral region offers valuable insights into t...