Quantitative comparison of GRAPPA and RAKI simultaneous multi-slice reconstruction algorithms [0.03%]
Tyler Gallun,Nikolai J Mickevicius
Tyler Gallun
The aims of this study were to (1) quantitatively compare various k-space interpolation-based simultaneous multislice (SMS) reconstruction algorithms, including linear GRAPPA and nonlinear, data-driven RAKI methods, and (2) provide an open-...
A mathematically accurate angular regression model optimizes phase activation and yields additional physiological information in FMRI [0.03%]
一种数学上精确的角回归模型优化了FMRI中的相位激活并提供了额外的生理信息
John C Bodenschatz,Daniel B Rowe
John C Bodenschatz
In functional magnetic resonance imaging (fMRI), it is important to observe the functioning brain as fast as possible and at as high of a spatial resolution as possible. Increased spatial and temporal speed results in voxels with increased ...
Circulatory collapse detected on time-resolved imaging of contrast kinetics (TRICKS): An imaging-based alert [0.03%]
基于影像的预警:通过对比剂动力学时间分辨率成像(TRICKS)及时检测循环衰竭
Siddhi Chawla,Amit Kumar Rohila,Mahaveer Singh Rodha
Siddhi Chawla
Advancing high-resolution 7 T diffusion MRI: Evaluating phase-encoding correction strategies for distortion correction from basic to four-way acquisitions [0.03%]
高分辨率7T扩散MRI的发展:从基础到四向采集的相位编码校正策略评估以纠正失真
Kurt G Schilling,Alexander J S Beckett,Matthew Amandola et al.
Kurt G Schilling et al.
Purpose: High-resolution 7 T diffusion MRI (dMRI) is limited by image artifacts that compromise anatomical accuracy. The purpose of this study was to systematically evaluate phase-encoding (PE) acquisition and correction ...
Development and evaluation of a cervical cancer-specific restriction spectrum imaging (RSI) model [0.03%]
宫颈癌特异性限制光谱成像(RSI)模型的开发与评估
Ana E Rodríguez-Soto,Christopher Conlin,Jingjing Zuo et al.
Ana E Rodríguez-Soto et al.
Objective: Cervical cancer is the fourth most common cause of cancer and cancerrelated mortality among women worldwide. MRI is standard of care for cervical cancer staging. The objective of this project is to evaluate the...
Simultaneous acquisition of MR elastography, Dixon water-fat separation images, and CT-like bone contrast using a gradient-echo multi-echo sequence [0.03%]
同时采集磁共振弹性图像、Dixon水脂同反相位分离图像和类似CT骨对比度像的多回波梯度回波序列
Tomokazu Numano,Daiki Ito,Tetsushi Habe et al.
Tomokazu Numano et al.
This study proposes a unified imaging framework that enables simultaneous acquisition of MR elastography (MRE), Dixon-based water-fat separation images, and CT-like bone contrast within a single gradient-echo multi-echo sequence. A MEG-less...
Dentate nucleus signal changes after multiple GBCAs MRI in breast cancer patients: A generalized additive model retrospective study [0.03%]
乳腺癌患者多次接受钆对比剂MRI后的齿状核信号变化:一项回顾性广义加性模型研究
Chuanbing Wang,Yong Jiang,Mengdi Liu et al.
Chuanbing Wang et al.
Background: While research has explored gadolinium retention differences between linear and macrocyclic GBCAs, comparative studies of structurally distinct linear subtypes (ionic vs. nonionic) in high-dose, large cohorts ...
Effect of spatial resolution and heating duration on accuracy of dynamic proton resonance frequency shift temperature measurement with k-space weighted image contrast reconstruction during focused ultrasound [0.03%]
基于k空间加权图像对比度重建的磁共振温度测量中空间分辨率和加热时间对动态质子温度频移测温准确性的影响研究
Nicholas Richards,Michael Malmberg,Henrik Odéen et al.
Nicholas Richards et al.
Purpose: Single-reference variable flip angle Stack-of-Stars (SR-VFA-SoS) thermometry with KWIC reconstruction provides simultaneous aqueous and fatty tissue temperature monitoring. This work evaluates the effect of k-spa...
Ultrashort echo time T2⁎ mapping of early hip osteoarthritis: Acetabular predominance and loss of joint homeostasis [0.03%]
超短回波时间T2*绘图在早期髋关节骨性关节炎中的优势:髋臼占优和关节稳态丧失
Jianwei Zeng,Wentao Wang,Mingyue Zhou et al.
Jianwei Zeng et al.
Background: Early diagnosis of hip osteoarthritis (OA) is hindered by the insensitivity of radiography to early biochemical changes. Ultrashort echo time (UTE) MRI allows for quantitative assessment of deep calcified cart...
Self-enhancement-based perfusion mapping with contrast-enhanced magnetic resonance imaging for PAD assessment [0.03%]
基于自我增强的CE-MRI灌注mapping技术评价外周动脉疾病PAD的应用价值研究
Bijen Khagi,Tatiana Belousova,Christina M Short et al.
Bijen Khagi et al.
We developed an automatic self-enhancement-based perfusion mapping (SEPM) method to relatively map the microvascular perfusion level in contrast-enhanced magnetic resonance imaging (CE-MRI) into four categories: hyper-enhanced, isoenhanced,...