Deuterium 1-Channel Transmit/16-Channel High Impedance Receive Array Combined With 16-Channel 1H Dual-Row Transceiver Array for 7 Tesla Brain Imaging [0.03%]
结合16通道1H双排收发线圈的氘1发射/16接收通道高阻抗线圈阵列在7特斯拉脑成像中的应用研究
Bei Zhang,Wenkai Liang,Chichen Dong et al.
Bei Zhang et al.
Purpose: To develop and evaluate an 2H/1H coil configuration that enables deuterium metabolic imaging at 7 T while preserving high-quality 1H anatomical imaging. ...
Reproducibility of QQ (QSM + qBOLD) Oxygen Extraction Fraction (OEF) Mapping in the Brain at 3 and 1.5 T [0.03%]
基于QQ(QSM+qBOLD)测脑氧摄取分数(OEF)图的可重复性研究：3T与1.5T比较
Hangwei Zhuang,Kofi Deh,Alexey Dimov et al.
Hangwei Zhuang et al.
Purpose: This study aims to assess the repeatability and reproducibility of qBOLD+QSM (QQ) oxygen extraction fraction (OEF) measurements across 3 and 1.5 T. ...
Fast, Robust T2-IVIM Quantitative MRI With Distortion and Motion-Corrected Multi-Echo EPI [0.03%]
快速稳健的T2-IVIM定量MRI及其扭曲和运动校正多回波EPI序列
Liam Timms,Mustafa Utkur,Cemre Ariyurek et al.
Liam Timms et al.
Purpose: To enable robust, motion- and distortion-corrected T2-IVIM parameter estimation within clinically feasible scan times. Methods: ...
Iman Aganj,Thorsten Feiweier,John E Kirsch et al.
Iman Aganj et al.
Purpose: In the course of diffusion, water molecules encounter varying values for the relaxation-time properties of the underlying tissue. This factor, which has rarely been accounted for in diffusion MRI (dMRI), is model...
Field Strength-Dependent White Matter R1 and R2 Anisotropy of Phase-Cycled Balanced Steady-State Free Precession Relaxometry [0.03%]
基于相位编码平衡稳态自由进动弛豫度的各向异性白质R1和R2强度依赖性
Florian Birk,Hamzeh Tesh,Ali Aghaeifar et al.
Florian Birk et al.
Purpose: To investigate how the relaxation rates (R1, R2) and asymmetry indices (AI), derived from phase-cycled balanced steady-state free precession (pc-bSSFP) data, depend on the orientation of white matter (WM) fiber t...
High-Resolution Diffusion-Weighted Imaging With Self-Gated Self-Supervised Unrolled Reconstruction [0.03%]
基于自门控自监督迭代解卷积的高分辨率弥散加权成像
Zhengguo Tan,Patrick A Liebig,Annika Hofmann et al.
Zhengguo Tan et al.
Purpose: High-resolution diffusion-weighted imaging (DWI) is clinically demanding. The purpose of this work is to develop an efficient self-supervised algorithm unrolling technique for submillimeter-resolution DWI. ...
[Formula: see text] -Weighted Imaging of Water, Fat and Silicone [0.03%]
[公式：请参见摘要的PDF版本]加权成像水、脂肪和硅胶
Aizada Nurdinova,Xuetong Zhou,Julio A Oscanoa et al.
Aizada Nurdinova et al.
Purpose: Magnetic resonance imaging (MRI) is a sensitive method for assessing silicone implant integrity, with T 2 $$ {/boldsymbol{T}}_{/mathbf{2}} $$ -weighted imaging being essential for detecting abnormalities in s...
Young Woo Park,Simon Schmidt,Wolfgang Bogner et al.
Young Woo Park et al.
Purpose: Brain MR imaging at 10.5 T ultra-high field offers significant improvements in signal-to-noise ratio (SNR), but faces challenges with B1 + inhomogeneity. Parallel-transmission (pTx) can be used to achieve a more ...
Designing B1-Selective Pulses by Frequency Modulating in a Second Rotating Frame [0.03%]
通过第二种旋转框架的频率调制设计B1选择性脉冲
Saurin Kantesaria,Efraín Torres,Mazin M Mustafa et al.
Saurin Kantesaria et al.
Purpose: To create a frequency-modulated pulse for slice selection of arbitrary, uniform flip angle even when B0 and B1 are inhomogeneous, without utilizing B0 gradients THEORY AND METHODS: An amplitude-modulated hyperbol...
Inter-Individual Differences in T1, T2, and Proton Density Using Quantitative Synthetic Imaging for 1H-MRS Quantification [0.03%]
定量合成成像用于氢质子磁共振波谱定量分析的T1、T2和质子密度的个体差异研究
Samantha A Leech,Sarah L Manske,Paul G Mullins et al.
Samantha A Leech et al.
Purpose: Metabolite concentrations can be determined from proton magnetic resonance spectroscopy (1H-MRS) data using water as an internal reference. This calculation requires tissue-specific water T1 and T2 relaxation con...