Multi-modal MRI cascaded incremental reconstruction with coarse-to-fine spatial registration [0.03%]
一种粗到细配准的多模态磁共振图像级联增量重建方法
Yulu Wang,Yubao Sun,Jia Liu et al.
Yulu Wang et al.
Magnetic resonance imaging (MRI) typically utilizes multiple contrasts to assess different tissue features, but prolonged scanning increases the risk of motion artifacts. Compressive sensing MRI (CS-MRI) employs computational reconstruction...
4D flow MRI of aortic blood flow parameters in healthy volunteers: Sex- and age-specific analysis [0.03%]
健康志愿者主动脉血液流动参数的4D流磁共振成像:基于性别和年龄的分析
Gyu-Han Lee,Hojin Ha,Kyung Jin Park et al.
Gyu-Han Lee et al.
Purpose: Four-dimensional (4D) flow MRI enables comprehensive assessment of aortic hemodynamics, but normative values remain limited, especially for Asian populations. This study aimed to establish age- and sex-specific n...
In silico and in vitro investigation of induced magnetic susceptibility effects due to different size of intramammary-like calcifications in an external magnetic field [0.03%]
不同大小的乳房假想钙化组织在外加磁场中产生感应磁化率效应的仿真与实验研究
Lana Bautz,Christian Ziener,Annett Lebenatus et al.
Lana Bautz et al.
Background: Susceptibility-weighted imaging (SWI) is a promising MRI technique for localizing and characterizing intramammary calcifications. However, no clinically established breast SWI protocol currently exists, and su...
A study of magnetic resonance diffusion tensor imaging in the prognostic assessment of severe craniocerebral trauma [0.03%]
磁共振弥散张量成像在重度颅脑创伤预后评估中应用的研究
Xiangzhen Meng
Xiangzhen Meng
Background: Magnetic resonance diffusion tensor imaging (DTI) is recognized for its diagnostic capabilities in severe craniocerebral trauma but is less explored for its prognostic utility. This study assesses the prognost...
Dual flip angle liver T1 mapping with B1 correction at 3 T - In vitro and in vivo evaluation [0.03%]
一种基于体模和活体的3T双翻转角B1修正肝纵向弛豫时间(T1)定量新方法
Kim Sivesgaard,Rozh Al-Mashhadi,Thomas Winther Buus
Kim Sivesgaard
Purpose: To investigate the in vitro precision and linearity of 3D whole-liver covering dual flip angle (DFA) T1 mapping and compare different circular ROI sampling strategies in vivo. ...
Optimization strategy for fat-suppressed T2-weighted images in liver imaging: The combined application of AI-assisted compressed sensing and respiratory triggering [0.03%]
基于人工智能辅助压缩感知与呼吸门控技术的T2W-FS序列优化策略在肝脏成像中的应用研究
Mengwei Feng,Shanmei Li,Xiaopeng Song et al.
Mengwei Feng et al.
Purpose: This study aimed to optimize the imaging time and image quality of T2WI-FS through the integration of Artificial Intelligence-Assisted Compressed Sensing (ACS) and respiratory triggering (RT). ...
Age and sex differences in cerebral hemodynamics in the presence of microvascular flow disturbances [0.03%]
微血管血流异常情况下脑血动力的年龄和性别差异分析
Aurea S Michael,Nikou L Damestani,Jan A Kufer et al.
Aurea S Michael et al.
Poor cerebrovascular health has been linked to higher white matter lesion burden and cognitive decline in aging. Venous hyperintense signal (VHS) in arterial spin labeling (ASL) magnetic resonance imaging (MRI) has been characterized as a r...
Wen-Jun Feng,Yu-Meng Gu,Xiao-Shuang Xia et al.
Wen-Jun Feng et al.
Objective: This study aimed to examine the characteristics of cognitive impairment in individuals with white matter hyperintensities (WMH) and to compare differences in cognitive dysfunction across varying levels of WMH s...
Belen Bravo-Kunz,Nicolas Garrido,Carlos Alberola-López et al.
Belen Bravo-Kunz et al.
In MRI, multiple applications require knowledge of the inhomogeneity field map, such as off-resonance correction, susceptibility mapping, water-fat separation, and spectroscopy imaging. Standard fieldmap estimation methods produce results t...
Verification of resolution and imaging time for high-resolution deep learning reconstruction techniques [0.03%]
高分辨率深度学习重建技术的分辨力及成像时间验证
Shohei Harada,Yasuo Takatsu,Kazuhiro Murayama et al.
Shohei Harada et al.
Magnetic resonance imaging (MRI) involves a trade-off between imaging time, signal-to-noise ratio (SNR), and spatial resolution. Reducing the imaging time often leads to a lower SNR or resolution. Deep-learning-based reconstruction (DLR) me...