Quantitative MRI texture analysis in chronic active multiple sclerosis lesions [0.03%]
慢性活动性多发硬化症病变的定量磁共振成像纹理分析
Claudia E Weber,Matthias Wittayer,Matthias Kraemer et al.
Claudia E Weber et al.
Objective: Recently, there has been an increasing interest in "chronic enlarging" or "chronic active" multiple sclerosis (MS) lesions that are associated with clinical disability. However, investigation of dynamic lesion ...
Intravoxel incoherent motion MR imaging analysis for diagnosis of placenta accrete spectrum disorders: A pilot feasibility study [0.03%]
用于胎盘粘连综合症诊断的灌注扩散张量MRI分析：一项可行性研究
Rachel L León,Brandon P Brown,Scott A Persohn et al.
Rachel L León et al.
Background: Placenta accreta spectrum (PAS) disorders occur when the placenta adheres abnormally to the uterine myometrium and can have devastating effects on maternal health due to risks of massive postpartum hemorrhage ...
Recent advances on optic nerve magnetic resonance imaging and post-processing [0.03%]
近年视神经磁共振成像及后处理的进展
Li Sze Chow,Martyn N J Paley
Li Sze Chow
The optic nerve is known to be one of the largest nerve bundles in the human central nervous system. There have been many studies of optic nerve imaging and post-processing that have provided insights into pathophysiology of optic neuritis ...
Improved nerve conspicuity with water-weighting and denoising in two-point Dixon magnetic resonance neurography [0.03%]
水加权去噪两点狄龙法在磁共振神经显像中的应用及改善效果研究
Ek T Tan,Sophie C Queler,Bin Lin et al.
Ek T Tan et al.
Background: T2-weighted, two-point Dixon fast-spin-echo (FSE) is an effective technique for magnetic resonance neurography (MRN) that can provide quantitative assessment of muscle denervation. Low signal-to-noise ratio an...
Myocardial T1-mapping and extracellular volume in pulmonary arterial hypertension: A systematic review and meta-analysis [0.03%]
肺动脉高压的心肌T1测值和细胞外体积的系统性评价及元分析研究
Samer Alabed,Laura Saunders,Pankaj Garg et al.
Samer Alabed et al.
Introduction: Elevated myocardial T1-mapping and extracellular volume (ECV) measured on cardiac MR (CMR) imaging is associated with myocardial abnormalities such as oedema or fibrosis. This meta-analysis aims to provide a...
Simultaneous multi-banding and multi-echo phase encoding for the accelerated acquisition of high-resolution volumetric diffusivity maps by spatiotemporally encoded MRI [0.03%]
基于时空编码MRI的快速获取高分辨率体积扩散系数图的多频带及多回波相位编码法
Lingceng Ma,Martins Otikovs,Samuel F Cousin et al.
Lingceng Ma et al.
Purpose: Spatiotemporal Encoding (SPEN) is an ultrafast imaging technique where the low-bandwidth axis is rasterized in a joint spatial/k-domain. SPEN benefits from increased robustness to field inhomogeneities, folding-f...
Optimization of a quadrature birdcage coil for functional imaging of squirrel monkey brain at 9.4T [0.03%]
优化用于9.4T下美国地鼠松鼠猴脑功能成像的四端口鸟笼线圈
Ming Lu,Zhangyan Yang,Feng Wang et al.
Ming Lu et al.
A quadrature transmit/receive birdcage coil was optimized for squirrel monkey functional imaging at the high field of 9.4 T. The coil length was chosen to gain maximum coil efficiency/signal-to-noise ratio (SNR) and meanwhile provide enough...
Yu A Vasilev,K A Sergunova,A V Bazhin et al.
Yu A Vasilev et al.
During the pandemic of novel coronavirus infection (COVID-19), computed tomography (CT) showed its effectiveness in diagnosis of coronavirus infection. However, ionizing radiation during CT studies causes concern for patients who require dy...
Handcrafted MRI radiomics and machine learning: Classification of indeterminate solid adrenal lesions [0.03%]
手工制作的MRI影像组学与机器学习：不确定性的肾上腺实性病变的分类
Arnaldo Stanzione,Renato Cuocolo,Francesco Verde et al.
Arnaldo Stanzione et al.
Purpose: To assess a radiomic machine learning (ML) model in classifying solid adrenal lesions (ALs) without fat signal drop on chemical shift (CS) as benign or malignant. ...
Effects of k-space orders on the time-intensity curves in dynamic contrast-enhanced magnetic resonance imaging of the breast based on simulation study [0.03%]
基于虚拟研究的乳房动态对比增强磁共振成像中k空间不同采集顺序对时间信号曲线的影响
Yasuo Takatsu,Tsuyoshi Ueyama,Takahiro Iwasaki et al.
Yasuo Takatsu et al.
Purpose: This study aims to investigate the influence of time-intensity curves (TICs) on the shapes using a dynamic contrast-enhanced magnetic resonance imaging (MRI) study depending on the Cartesian and radial orders for...