Comparison of Quantitative and Semiquantitative MT-MRI for Detection of Interstitial Fibrosis in Kidney Transplant Recipients [0.03%]
定量和半定量磁共振成像检测肾移植受者的间质纤维化比较研究
Ya-Fei Liu,Dilbar A Abdurakhimova,Mina Al Saeedi et al.
Ya-Fei Liu et al.
Objectives: To evaluate the efficacy of quantitative magnetization transfer (qMT) in quantifying interstitial fibrosis in kidney transplantation (KT) recipients, and to assess its dependence on MRI field strength (1.5T vs...
Quantitative Multifrequency Ultrasound Imaging Using Narrowband Pulsing for Tissue Characterization [0.03%]
基于窄带脉冲的多频超声定量成像及其组织鉴别能力研究
Joshua Hanson,Chaodong Wu,Kenneth Hoyt
Joshua Hanson
Objective: Multifrequency ultrasound (MFUS) is a novel quantitative imaging technique that captures backscattered data after transmission of a sequence of frequency-shifted narrowband ultrasound (US) pulses. The goal of t...
Evaluating the Generalizability and Effectiveness of the 10-to-10 rule: Individualized Contrast Media Protocols for Vascular and Parenchymal CT Scans at Variable Tube Voltages-A Multicenter Trial [0.03%]
评估10比10法则的普遍性和有效性:多中心试验中不同管电压血管和实质CT扫描的个性化对比剂方案
Lion Stammen,R Nils Planken,Madeleine Kok et al.
Lion Stammen et al.
Background: Previous research has highlighted the benefits of reducing contrast media (CM), demonstrating positive impacts on patient safety, environmental sustainability, and health care costs. The 10-to-10 rule, introdu...
Rationales for Non-standard GBCA Dosing-Low?-High?-When? and Why?: A Literature-based Study [0.03%]
非标准GBCA用药剂量的依据-低?高?何时?为何?:基于文献的研究
Jan Endrikat,Imran Siddiqui,Hassan Khater et al.
Jan Endrikat et al.
Background: The current standard dose of extracellular, multipurpose gadolinium-based contrast agents (GBCAs) of 0.1 mmol Gd/kg body weight (bw) was first suggested in 1984, 40 years ago. Although the safety and efficacy ...
Liver Fat and Iron Quantification With Spectral Localizer Radiographs From Photon-counting Detector CT [0.03%]
光子计数检测CT定位谱辐射量化肝脏脂肪和铁含量
Andrin Tognella,Thomas Flohr,Johannes M Froehlich et al.
Andrin Tognella et al.
Objectives: Quantification of liver fat on computed tomography (CT) is often confounded by hepatic iron deposition and the use of iodinated contrast agents. This phantom study aimed to evaluate the feasibility and accurac...
Prone Photon-counting Computed Tomography With Iodine Mapping for Differentiating Breast Masses: A Prospective Study [0.03%]
一种区分乳腺肿物的俯卧碘mapping光子计数CT成像技术:一项前瞻性研究
Caroline Wilpert,Martin Peter Pichotka,Moises Felipe Molina-Fuentes et al.
Caroline Wilpert et al.
Objectives: Photon-counting CT (PC-CT) offers higher spatial resolution and enables iodine quantification compared with conventional CT. Its potential role in breast imaging is currently under evaluation. ...
Spectral Ultrahigh-resolution Photon-counting CT Angiography for Below-knee Peripheral Artery Disease: Impact of Extremity-specific Isotropic Reconstructions [0.03%]
用于膝下外周动脉疾病的光子计数CT血管造影的谱多排高分辨率同轴重建的影响
James Ira Griggers,Thomas M Todoran,Milán Vecsey-Nagy et al.
James Ira Griggers et al.
Objectives: Photon-counting detector (PCD)-CT may improve noninvasive assessment of patients with peripheral artery disease (PAD), yet ideal conditions to unlock its full potential remain unexplored. Hence, this study aim...
Photon-Counting Computed Tomography of Degradable Bone Cement Loaded With Gadolinium Nanoparticles [0.03%]
含钆纳米颗粒可降解骨水泥的单光子计算机断层扫描技术
Anna E Marks,Kitz Paul D Marco,Allan John R Barcena et al.
Anna E Marks et al.
Objectives: This study aims to improve the radiopacity of absorbable bone cements through the addition of gadolinium nanoparticles (GdNP). We also aim to determine whether photon-counting CT (PCCT) provides superior contr...
Ready for Routine: Homogeneous, High-Resolution, and Multicontrast Whole-Brain MRI at 7 Tesla in Short Scan Time With "plug-and-Play" pTx Sequences [0.03%]
准备就绪的常规磁共振成像:在短扫描时间内,使用“即插即用”pTx序列,在7特斯拉下实现全脑均匀、高分辨率和多对比度MRI
Jennifer Faber,Daniel Paech,Eberhard Pracht et al.
Jennifer Faber et al.
Background: 7T MRI received FDA/CE clearance almost 7 years ago. However, until today, it has not yet been widely adopted in clinical routine. This is mainly due to field inhomogeneities that impede whole-brain coverage. ...
An Evaluation of the Long-term Impact of Gadolinium-based Contrast Agents on Sensory Nerves in Cynomolgus Monkeys [0.03%]
评估钆基对比剂对猕猴感觉神经长期影响的评价研究
Roberta Queliti,Alessandra Coppo,Silvia Rossi et al.
Roberta Queliti et al.
Objectives: Previous studies in rodents have investigated the potential effects of gadolinium-based contrast agents (GBCAs) on the peripheral nervous system; this study aimed to assess the potential effects of 2 GBCAs on ...