3D MR Fingerprinting for Quantitative Bladder Wall T1, T2, and M0 Mapping in Healthy Subjects at 1.5 T and 3 T [0.03%]
健康受试者在1.5T和3T下使用3D磁共振指纹技术对膀胱壁T1、T2和M0进行定量映射
Shane A Wells,Giulia M Ippolito,Melis Ozkan et al.
Shane A Wells et al.
Current diagnostic tests for lower urinary tract symptoms (LUTS) do not assess tissue-level alterations in the bladder wall. This study assesses the feasibility of 3D magnetic resonance fingerprinting (MRF) for simultaneous T1, T2, and prot...
Jérôme Lamy,Jie Xiang,Nimish Shah et al.
Jérôme Lamy et al.
Transthoracic echocardiography (TTE) is the first-line and most useful imaging modality for evaluating diastolic dysfunction, but its ability to measure pulmonary vein (PV) flow is limited. We sought to establish MRI-based PV flow for diast...
Quantification of the Tissue Sodium Concentration in the Human Calf at 7T With Reduced Acquisition Time: Influence of the Nominal Spatial Resolution [0.03%]
7特斯拉下具有降低的获取时间的组织钠浓度定量人体小腿：名义空间分辨率的影响
Jordan M Höhn,Tobias Wilferth,Lena V Gast et al.
Jordan M Höhn et al.
To evaluate the repeatability and consistency of rapid quantitative 23Na MRI of the human calf, an acquisition-weighted stack-of-stars (AW-SOSt) sequence was implemented on a 7T MRI system and used for all measurements. Three variants, diff...
Quantitative MRI to Assess Portal Pressure in Patients With Liver Disease: Validation at 3 T [0.03%]
定量磁共振成像用于评估肝病患者的门脉压力：3T下验证研究
Christopher R Bradley,Robert Scott,Eleanor F Cox et al.
Christopher R Bradley et al.
Hepatic venous pressure gradient (HVPG) is the gold standard for assessing portal hypertension (PH). We previously demonstrated that a bivariate MRI model combining liver T1 and splenic artery velocity at 1.5 T correlates with HVPG. This st...
Concurrent Four-Dimensional Dynamic MRA and Perfusion Imaging Using Dual-Module Arterial Spin Labeling MRI With Stack-Of-Stars Golden-Angle Radial Acquisition [0.03%]
基于金角径向采集的双模块动静脉标记MR血管成像与灌注成像并发技术的四维动态分析方法研究
Tianrui Zhao,Jianing Tang,Sarah J Moum et al.
Tianrui Zhao et al.
Arterial spin labeling (ASL) has been used for perfusion imaging and non-contrast enhanced dynamic MR angiography (MRA), and both have become favorable for clinical diagnosis and treatment planning of cerebrovascular diseases. Separate sequ...
Metabolite-Specific Reproducibility of Cerebral 31P-MRS at 3 T: Implications for Clinical Research [0.03%]
3T脑磷代谢磁共振波谱的代谢产物特异性重复性及其临床应用价值
Magnus Svensen,Christian Dölle,Brage Brakedal et al.
Magnus Svensen et al.
Phosphorus magnetic resonance spectroscopy (31P-MRS) enables noninvasive measurement of brain metabolism, yet its reproducibility in clinical settings remains unclear. We systematically assessed intrasession and intersession variability as ...
Multiparametric MRI for Early Chronic Kidney Disease Detection: Insights Into Renal Microcirculation [0.03%]
多参数磁共振成像在早期慢性肾脏病检测中的应用：肾微循环研究新视角
Tingting Zha,Liang Pan,Yan Yang et al.
Tingting Zha et al.
Chronic kidney disease (CKD) is a major health burden. Intrarenal microcirculation impairment occurs early in CKD and precedes measurable declines in renal function. We investigated whether contrast-free multiparametric MRI (mp-MRI) can cha...
Multiparametric Ex Vivo Evaluation of Parotid Tumors: Feasibility and Preliminary Results [0.03%]
腮腺肿瘤体外多参数评估的可行性及初步结果
Wojciech Domka,Oliver Böhm,Vitaliy Atamaniuk et al.
Wojciech Domka et al.
Parotid tumors exhibit diverse biomechanical and microstructural characteristics that remain challenging to characterize noninvasively. This study aimed to investigate these properties using ex vivo tabletop magnetic resonance elastography ...
VesMamba: Vessel Morphology-Enhanced State Space Model for Cerebrovascular Delineation [0.03%]
基于血管形态增强的状态空间模型的脑血管分割(VesMamba)
Lei Xie,Jiangxu Zhang,Jiawei Zhang et al.
Lei Xie et al.
Accurate delineation of cerebrovascular structures from Time-Of-Flight Magnetic Resonance Angiography (TOF-MRA) and Computed Tomography Angiography (CTA) is essential for the clinical diagnosis and treatment of cerebrovascular diseases. How...
A Pilot Study of Brain Metabolites and Their Diagnostic Cutoff Point in Postmenopausal Women With Cognitive Impairment Using Magnetic Resonance Spectroscopy [0.03%]
绝经后妇女认知障碍磁共振波谱代谢物及其诊断界点的 pilot 研究
Xiaoxia Chen,Yanyan Lu,Liying Tang et al.
Xiaoxia Chen et al.
Proton magnetic resonance spectroscopy (1H-MRS) was used to detect the levels of N-acetylaspartate (NAA)/total creatinine (tCr) and choline (Cho)/tCr in bilateral hippocampus and posterior cingulate gyrus of postmenopausal patients with non...