Quantitative assessment of early intervertebral disc degeneration with MR diffusion kurtosis imaging: A radiologic correlation with Pfirrmann grade [0.03%]
MR扩散阻力指数成像对早期椎间盘退变的定量评估及与Pfirrmann分级的影像学相关性研究
Neil Abraham Barnes,Winniecia Dkhar,Rajagopal Kadavigere et al.
Neil Abraham Barnes et al.
Background: Degenerative spinal disease is a leading cause of lower back pain worldwide, impairing mobility and quality of life. Early degeneration is increasingly seen in younger adults due to sedentary lifestyles and oc...
Non-contrast free-running high-resolution volumetric multi-slab cardiac cine MRI at 3 T [0.03%]
无对比剂的自由呼吸高分辨率多层心脏电影MRI(3T)
Chenhao Gao,Fan Yang,Zhihao Xue et al.
Chenhao Gao et al.
Free-running self-gated 3D cardiac cine imaging is highly desirable for volumetric, high-resolution, breath-hold-free assessment of left ventricular (LV) function. However, its implementation at 3 T remains challenging due to specific absor...
Coronary artery black-blood imaging via T2-prepared phase-sensitive inversion-recovery steady-state free precession in Kawasaki disease [0.03%]
川崎病冠状动脉黑血成像的一种T2准备相位敏感反转恢复稳态自由进动法
Koji Matsumoto,Hajime Yokota,Hiroki Mukai et al.
Koji Matsumoto et al.
Purpose: This study aimed to evaluate, qualitatively and quantitatively, cross-sectional black-blood images obtained using T2-prepared phase-sensitive inversion-recovery steady-state free precession (T2PSIR-SSFP), in comp...
Adaptive regularization weight selection for compressed sensing MRI reconstruction [0.03%]
压缩感知MRI重建中的自适应正则化权重选择方法研究
Yuan Lian,Yuancheng Jiang,Hua Guo
Yuan Lian
Proper regularization weights are crucial for the reconstruction quality of compressed sensing (CS) MRI. This work aims to develop an automatic and adaptive regularization weights selection method for CS reconstruction METHODS: A statistica...
Tumor stiffness as an imaging biomarker of tyrosine kinase inhibitor response: A preclinical study [0.03%]
肿瘤硬度作为酪氨酸激酶抑制剂反应成像生物标志物的临床前研究
Baihe Luo,Aoran Yang,Jialin Li et al.
Baihe Luo et al.
Objective: Tyrosine kinase inhibitors (TKIs), such as sorafenib, are standard therapies for advanced hepatocellular carcinoma (HCC), but their biomechanical impact and the role of magnetic resonance elastography (MRE) in ...
Repeatability and reproducibility of maximum diameter measurements of prostate lesions on MRI with repositioning and variation of imaging sequences: A test-retest study [0.03%]
带重新定位和成像序列变化的MRI下前列腺病变的最大直径测量的重复性和再现性：一项测试-重测研究
Kevin Sun Zhang,Philip Alexander Glemser,Christian Jan Oliver Neelsen et al.
Kevin Sun Zhang et al.
Objectives: To assess variability of maximum diameter measurements of prostate lesions in MRI assessing patient repositioning, rater and sequence effects. ...
The quantitative spatiotemporal relationship of whole brain activity of human brains revealed by fMRI [0.03%]
利用功能磁共振成像揭示人类全脑活动的时空定量关系
Jie Huang
Jie Huang
It is imperative to study individual brain functioning for understanding the neural bases of individual behavioral and clinical traits. BOLD-fMRI measures the four-dimensional (3 spatial and 1 temporal) neural activity across the entire bra...
Monte Carlo simulations of transverse relaxation for characterization of physicochemical properties of superparamagnetic iron oxide nanoparticles [0.03%]
蒙特卡罗模拟纵向弛豫用于超顺磁性氧化铁纳米颗粒理化性质表征
Lauritz Klünder,Bastian Maus,María Belén Rivas Aiello et al.
Lauritz Klünder et al.
Superparamagnetic iron oxide nanoparticles are used in MRI as T2 or T2∗ contrast agents and, in combination with relaxometry, enable quantitative analysis of physiological and pathological processes. However, the induced changes in relaxat...
Quantitative proton density fat-fraction at 9.4 T using fast spin echo and asymmetric multi-echo gradient-echo pulse sequences [0.03%]
9.4T下基于快速自旋回波和非对称多回波梯度回波脉冲序列的定量质子密度脂肪分数测量
Radim Kořínek,Lucie Krátká,Zenon Starčuk Jr
Radim Kořínek
Purpose: Quantifying proton density fat fraction (PDFF) in small abdominal organs is challenging due to low T1/T2 contrast and susceptibility artifacts. We develop a hybrid 7-echo CSE-MRI sequence with arbitrary echo spac...
Enhancing and accelerating brain MRI through deep learning reconstruction using prior subject-specific imaging [0.03%]
基于深度学习和先验个体化影像的脑部MRI加速及增强技术研究
Amirmohammad Shamaei,Alexander Stebner,Salome Lou Bosshart et al.
Amirmohammad Shamaei et al.
Magnetic resonance imaging (MRI) is a crucial medical imaging modality. However, long acquisition times remain a significant challenge, leading to increased costs, and reduced patient comfort. Recent studies have shown the potential of usin...