Liver R2* threshold to predict the failure of MR elastography at 3T: SE-EPI versus GRE sequences [0.03%]
不同序列肝脏R2*阈值与MR弹性成像失败的相关性研究
Thi Hien Trang Chau,Elise Bannier,Edouard Bardou-Jacquet et al.
Thi Hien Trang Chau et al.
BackgroundLiver iron overload is the most common cause of magnetic resonance elastography (MRE) failure.PurposeTo determine a threshold of R2*, a surrogate of liver iron concentration (LIC), which predicts the failure of liver MRE for eithe...
ElastoNet: Neural network-based multicomponent MR elastography wave inversion with uncertainty quantification [0.03%]
具有不确定性量化的一种基于神经网络的多组分磁共振弹性成像波逆向分析方法(ElastoNet)
Héloïse Bustin,Tom Meyer,Rolf Reiter et al.
Héloïse Bustin et al.
Magnetic Resonance Elastography (MRE) quantifies soft tissue stiffness by measuring induced shear waves. MRE inversion techniques for parameter reconstruction are often affected by noise and compression waves. Neural network-based inversion...
Evaluating the Performance and Repeatability of Poroelastic and Poroviscoelastic Models in Intrinsic MR Elastography [0.03%]
固有磁共振弹性成像中评价多孔弹性和多孔黏弹模型的表现及重复性
Marius Burman Ingeberg,Elijah Van Houten,Jaco J M Zwanenburg
Marius Burman Ingeberg
Intrinsic MR elastography (iMRE) leverages brain pulsations that arise from cerebral arterial pulsations to reconstruct the mechanical properties of the brain. While iMRE has shown much potential recently, the technique was demonstrated for...
Functional MR elastography measures visual cortex stiffening proportional to visual contrast intensity in regions of activation [0.03%]
功能磁共振弹性成像测量视觉皮层刚度的增加与激活区域内的对比强度成正比
Harish R Palnitkar,Matthew C Murphy,Yi Sui et al.
Harish R Palnitkar et al.
Functional MRI (fMRI) is widely used to spatially localize neural activity in the brain associated with functional stimuli. Functional MR Elastography (fMRE) has recently been introduced as a complementary approach that measures the mechani...
The value of MR spectroscopy and MR elastography in assessing hepatic involvement of chronic visceral acid sphingomyelinase deficiency in adults [0.03%]
磁共振波谱及磁共振弹性成像评估成人慢性内脏酸性鞘磷脂酶缺乏肝受累的价值
Eline C B Eskes,Sandra A M van den Berg-Faaij,Nienke P M Wassenaar et al.
Eline C B Eskes et al.
Hepatic involvement is one of the main visceral manifestations of Acid Sphingomyelinase Deficiency (ASMD). It can lead to liver fibrosis and liver failure in a subset of patients. Better understanding of the boundary between reversible and ...
Evaluation of infrapatellar fat pad elasticity in knee osteoarthritis using IVIM-DWI-based virtual MR elastography: repeatability and reproducibility analysis [0.03%]
基于IVIM扩散加权成像的虚拟磁共振弹性成像在膝骨关节炎患者髌下脂肪垫弹性评价中的重复性及重现性分析
Hui Tan,Qiuju Fan,Yong Yu et al.
Hui Tan et al.
Background: Fibrosis of the infrapatellar fat pad (IPFP) leads to changes in its stiffness, which may impact knee osteoarthritis. However, few studies have utilized virtual MR elastography to assess the variations of the ...
Association of In Vivo Kidney Stiffness Measured by Multifrequency MR Elastography and Long-Term Renal Function in Transplant Recipients and Living Donors [0.03%]
受者和活体供肾捐献者体内肾脏僵硬度与长期肾功能的关联性研究：多频MR弹性成像测定结果
Stephan Rodrigo Marticorena Garcia,Jonas Oppenheimer,Tom Meyer et al.
Stephan Rodrigo Marticorena Garcia et al.
Background: Kidney transplant (KTx) function assessment is important in treatment planning, while conventional MRI markers lack sensitivity for KTx function. Mechanical kidney properties may serve as MRI markers for renal...
Three-Dimensional Vector MR Elastography for Evaluating Tissue Mechanical Heterogeneity to Assess Liver Disease Progression [0.03%]
三维向量磁共振弹性成像评估组织力学异质性以判断肝病进程
Hao Wu,Zheng Zhu,Jiahui Li et al.
Hao Wu et al.
Background Metabolic dysfunction-associated steatotic liver disease (MASLD) is a growing global health challenge, with evidence indicating that hepatic inflammation and fibrosis are heterogeneous processes. Purpose To measure liver mechanic...
Automated liver and spleen segmentation for MR elastography maps using U-Nets [0.03%]
使用U-Net自动分割磁共振弹性成像图中的肝脏和脾脏
Noah Jaitner,Jakob Ludwig,Tom Meyer et al.
Noah Jaitner et al.
To compare pretrained and trained U-Nets for liver and spleen segmentation in multifrequency magnetic resonance elastography (MRE) magnitude images for automated quantification of shear wave speed (SWS). Seventy-two healthy participants (34...
Could MR elastography be a way to make violent contact sports safer? [0.03%]
磁共振弹性成像技术能否让暴力接触性运动变得更加安全？
Tzu-Chao Chuang,Yu-Hsiu Lee,Hsiao-Wen Chung
Tzu-Chao Chuang
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