Blind detection of vascular sources and territories using random vessel encoded arterial spin labeling [0.03%]
基于随机编码动脉自旋标记的血管源和供血区盲检测方法
Eric C Wong,Jia Guo
Eric C Wong
Object: The goal of this work is to use vessel encoded arterial spin labeling (VEASL) methods to detect feeding arteries without prior knowledge of their positions, and map the vascular territory of each. ...
Robert Turner,Markus Streicher
Robert Turner
The Larmor frequency of water protons has reliably linear temperature dependence. Since this frequency shift is easily measurable using relatively simple MRI techniques, a remarkable opportunity arises for uniquely non-invasive and accurate...
Enrico De Vita,Matthias Günther,Xavier Golay et al.
Enrico De Vita et al.
Object: In pulsed arterial spin labelling (ASL), Q2TIPS saturation pulses are used to actively control the temporal width of the labelled bolus. However, these Q2TIPS pulses also induce magnetisation transfer (MT) effects...
Feasibility of pseudocontinuous arterial spin labeling at 7 T with whole-brain coverage [0.03%]
7特斯拉下基于伪连续动脉自旋标记的全脑灌注成像的可行性研究
Eidrees Ghariq,Wouter M Teeuwisse,Andrew G Webb et al.
Eidrees Ghariq et al.
Object: We studied the feasibility of pseudocontinuous arterial spin labeling (pCASL) at 7 T. Materials and methods: Simulations were p...
Comparison between different implementations of the 3D FLASH sequence for knee cartilage quantification [0.03%]
不同3D FLASH序列实现方式的比较用于膝关节软骨量化研究
Martin Hudelmaier,Christian Glaser,Christian Pfau et al.
Martin Hudelmaier et al.
Objective: To compare several sequence implementations of the 3D FLASH sequence in the context of quantitative cartilage imaging. Materials and methods: ...
Comparative Study
Magma (New York, N.Y.). 2012 Aug;25(4):305-12. DOI:10.1007/s10334-011-0296-1 2012
Quantification and localization of contrast agents using delta relaxation enhanced magnetic resonance at 1.5 T [0.03%]
利用1.5T的Delta弛豫增强磁共振定量及定位对比剂
Uvo Christoph Hoelscher,Steffen Lother,Florian Fidler et al.
Uvo Christoph Hoelscher et al.
Object: Delta relaxation enhanced magnetic resonance (dreMR) is a new imaging technique based on the idea of cycling the magnetic field B (0) during an imaging sequence. The method determines the field dependency of the r...
Diffusion time dependence of magnetic resonance diffusion signal decays: an investigation of water exchange in human brain in vivo [0.03%]
人脑中水交换的磁共振扩散信号衰减的扩散时间依赖性研究
Marzieh Nezamzadeh
Marzieh Nezamzadeh
Object: To understand the behavior of diffusion signal decays of water in white matter of human brain in vivo and to estimate tissue microstructure parameters such as exchange time of diffusing water molecules in human br...
The response to rapid infusion of fentanyl in the human brain measured using pulsed arterial spin labelling [0.03%]
使用脉冲式动脉自旋标记技术测量人脑快速输注芬太尼的反应
Fernando O Zelaya,Evangelos Zois,Christopher Muller-Pollard et al.
Fernando O Zelaya et al.
Objective: We evaluated the sensitivity of pulsed Arterial Spin Labelling (pASL) for the detection of changes in regional cerebral blood perfusion (CBP) during and after intra-venous (i.v.) infusion of an opioid agonist (...
Using the biophysical CHARMED model to elucidate the underpinnings of contrast in diffusional kurtosis analysis of diffusion-weighted MRI [0.03%]
利用生物物理CHARMED模型阐明扩散加权MRI中扩散曲率分析差异的原理
Silvia De Santis,Yaniv Assaf,Derek K Jones
Silvia De Santis
Object: The aim of this work was to understand biophysical substrate underpinning contrast in diffusional kurtosis imaging (DKI) in white matter, using the composite hindered and restricted model of diffusion (CHARMED). ...
Diffusion property differences of the lower leg musculature between athletes and non-athletes using 1.5T MRI [0.03%]
利用1.5T磁共振探讨运动员与非运动员小腿肌肉扩散性质差异
Yoshikazu Okamoto,Shintaro Mori,Yuka Kujiraoka et al.
Yoshikazu Okamoto et al.
Object: To compare the differences in diffusion properties--namely fractional anisotropy (FA), three eigenvalues of the diffusion tensor (λ1, λ2, and λ3), and apparent diffusion coefficient (ADC)--between athletically-...
Comparative Study
Magma (New York, N.Y.). 2012 Aug;25(4):277-84. DOI:10.1007/s10334-011-0294-3 2012