Susceptibility artifacts from metallic markers and cardiac catheterization devices on a high-performance 0.55 T MRI system [0.03%]
高性能0.55T磁共振成像系统上金属标记物和心脏导管装置的磁敏感伪影
Burcu Basar,Merdim Sonmez,Dursun Korel Yildirim et al.
Burcu Basar et al.
Introduction: Visualization of passive devices during MRI-guided catheterizations often relies on a susceptibility artifact from the device itself or added susceptibility markers that impart a unique imaging signature. Hi...
Quantitative MRI of the liver: Evaluation of extracellular volume fraction and other quantitative parameters in comparison to MR elastography for the assessment of hepatopathy [0.03%]
定量MRI评估肝病:与磁共振弹性成像相比评估细胞外体积分数及其他定量参数
P A Kupczyk,N Mesropyan,A Isaak et al.
P A Kupczyk et al.
Background: Chronic liver diseases pose a major health problem worldwide, while common tests for diagnosis and monitoring of diffuse hepatopathy have considerable limitations. Preliminary data on the quantification of hep...
Comparative Study
Magnetic resonance imaging. 2021 Apr:77:7-13. DOI:10.1016/j.mri.2020.12.005 2021
Improved discrimination of molecular subtypes in invasive breast cancer: Comparison of multiple quantitative parameters from breast MRI [0.03%]
基于乳腺MRI多项定量参数的侵袭性乳腺癌分子亚型鉴别能力的对比研究
Siyao Du,Si Gao,Lina Zhang et al.
Siyao Du et al.
Purpose: To compare multiple quantitative parameters from breast magnetic resonance imaging (MRI) with the synthetic MRI sequence included for discrimination of molecular subtypes of invasive breast cancer. ...
Comparative Study
Magnetic resonance imaging. 2021 Apr:77:148-158. DOI:10.1016/j.mri.2020.12.001 2021
Measurement of BAT activity by targeted molecular magnetic resonance imaging [0.03%]
靶向分子磁共振成像法测定BAT活性
Qingqiao Hu,Huixiao Cao,Lu Zhou et al.
Qingqiao Hu et al.
Objective: The aim of this study was to measure brown adipose tissue (BAT) activity by targeted peptide (CKGGRAKDC-NH2)-coupled, polyethylene glycol (PEG)-coated ultrasmall superparamagnetic iron oxide (USPIO) nanoparticl...
Self-navigated 3D whole-heart MRA for non-enhanced surveillance of thoracic aortic dilation: A comparison to CTA [0.03%]
无需注射对比剂的主动脉瘤磁共振血管造影筛选检查:三维心脏MRI与CTA对照研究
Paulina Poskaite,Mathias Pamminger,Christof Kranewitter et al.
Paulina Poskaite et al.
Purpose: To prospectively compare image quality and reliability of a non-contrast, self-navigated 3D whole-heart magnetic resonance angiography (MRA) sequence with contrast-enhanced computed tomography angiography (CTA) f...
Comparative Study
Magnetic resonance imaging. 2021 Feb:76:123-130. DOI:10.1016/j.mri.2020.12.003 2021
Triple-D network for efficient undersampled magnetic resonance images reconstruction [0.03%]
一种高效的欠采样磁共振图像重建三重D网络方法
Zhao Li,Qingjia Bao,Chunsheng Yang et al.
Zhao Li et al.
Compressed sensing (CS) theory can help accelerate magnetic resonance imaging (MRI) by sampling partial k-space measurements. However, conventional optimization-based CS-MRI methods are often time-consuming and are based on fixed transform ...
Feasibility of T1 mapping with histogram analysis for the diagnosis and staging of liver fibrosis: Preclinical results [0.03%]
基于T1图谱直方图分析的肝脏纤维化诊断与分级的可行性:前期研究结果
Qing Wang,HaiFeng Liu,ZuHui Zhu et al.
Qing Wang et al.
Purpose: To compare the diagnostic accuracy of parameters derived from the histogram analysis of precontrast, 10-min hepatobiliary phase (HBP) and 20-min HBP T1 maps for staging liver fibrosis (LF). ...
Optimization of the refocusing flip angle in the characterization of cerebrospinal fluid dynamics using multi-spin echo acquisition cine imaging (MUSACI) [0.03%]
利用多自旋回波采集电影成像(MUSACI)表征脑脊液动力学的复相角优化
Tatsuhiro Wada,Chiaki Tokunaga,Osamu Togao et al.
Tatsuhiro Wada et al.
Purpose: Multi-spin echo acquisition cine imaging (MUSACI) is a method used for cerebrospinal fluid (CSF) dynamics imaging based on the proton phase dispersion and flow void using 3D multi-spin echo imaging. In a previous...
Fast variable density Poisson-disc sample generation with directional variation for compressed sensing in MRI [0.03%]
基于方向变化的快速变量密度盘状采样在MRI压缩感知中的应用研究
Nicholas Dwork,Corey A Baron,Ethan M I Johnson et al.
Nicholas Dwork et al.
We present a fast method for generating random samples according to a variable density poisson-disc distribution. A minimum parameter value is used to create a background grid array for keeping track of those points that might affect any ne...
Design and evaluation of an abbreviated pixelwise dynamic contrast enhancement analysis protocol for early extracellular volume fraction estimation [0.03%]
用于早期细胞外体积分数估算的简化的像素动态对比增强分析协议的设计与评估
J S Louis,F Odille,D Mandry et al.
J S Louis et al.
Introduction: T1-based method is considered as the gold standard for extracellular volume fraction (ECV) mapping. This technique requires at least a 10 min delay after injection to acquire the post injection T1 map. Quant...