Detection of Liver Iron Overload in Patients With Thalassemia With Ultra-short Echo Time MR Imaging on 3.0T [0.03%]
3.0特斯拉极短回波时间磁共振成像检测输血依赖性β-地中海贫血患者肝铁过载的价值研究
Rungroj Krittayaphong,Pairash Saiviroonporn,Shuo Zhang et al.
Rungroj Krittayaphong et al.
Objectives: Accurate detection and quantification of liver iron overload (LIO) in patients with thalassemia is crucial for guiding iron chelation therapy and preventing iron-related organ damage. While conventional multie...
Optimized Variable Flip Angle Technique for Specific Absorption Rate Reduction in Metal Artifact Reduction Magnetic Resonance Imaging [0.03%]
金属伪影减少型磁共振成像中的比吸收率降低的优化变flip角技术研究
Iman Khodarahmi,William Walter,Paul Wojack et al.
Iman Khodarahmi et al.
Objectives: Metal artifact reduction MRI can exceed specific absorption rate (SAR) limits due to high-bandwidth radiofrequency pulses, causing scan interruptions and prolonged acquisition times. The aim of the current stu...
Quantitative Analysis of Gadolinium Deposits in Liver Tissue of Patients After Single or Multiple Gadolinium-based Contrast Agent Application [0.03%]
单次或多次使用钆对比剂后的肝组织中钆沉积的定量分析
Christian Bayerl,Mehrgan Shahryari,Rolf Reiter et al.
Christian Bayerl et al.
Objectives: Gadolinium-based contrast agents (GBCAs) are widely used in magnetic resonance imaging. Concerns exist regarding gadolinium deposition and its potential histopathologic tissue alterations, especially after rep...
Gadoquatrane in Contrast-enhanced Head-and-neck and Liver Magnetic Resonance Imaging: A Preclinical Dose-Response Study in Pigs [0.03%]
一项猪的临床前剂量反应研究： gadobutri 对头部和颈部以及肝脏磁共振成像的对比增强作用
Gregor Jost,Jessica Lohrke,Birte Maria Hofmann et al.
Gregor Jost et al.
Objectives: The objective of the study was to investigate the dose-response (signal enhancement) relationship and signal-enhancement kinetics of gadoquatrane in different anatomic regions employing different MRI pulse seq...
Diffusion-weighted Imaging Distortion in Prostate MRI: A Cross-sectional Study Comparing Supine and Prone Positioning [0.03%]
前列腺磁共振弥散加权成像失真：仰卧位与俯卧位的横断面研究比较
Kang-Lung Lee,Andrew B Gill,Dimitri A Kessler et al.
Kang-Lung Lee et al.
Objectives: Diffusion weighted imaging (DWI) is a key component of multiparametric (mp) prostate MRI. DWI using echo-planar techniques is susceptible to distortion at the recto-prostatic air-tissue interface. This study w...
Three-dimensional Multifunctional Lung Imaging With Simultaneous Acquisition of Three-dimensional Perfusion-weighted and Ventilation-weighted Maps [0.03%]
三维多功能肺部成像同步获取三维灌注和通气加权图
Hyeonha Kim,Ho Yun Lee,Seokwon Lee et al.
Hyeonha Kim et al.
Objectives: To propose simultaneous acquisition of free-breathing, noncontrast-enhanced 3D perfusion-weighted (QW) and ventilation-weighted (VW) maps using 3D ultrashort echo-time (UTE) magnetic resonance imaging (MRI). ...
Quantitative Contrast-enhanced Ultrasound Evaluation of Hepatocellular Carcinoma Radioembolization [0.03%]
肝细胞癌放射栓塞的定量增强超声评价
Corinne E Wessner,Weelic Chong,Gil Berreby et al.
Corinne E Wessner et al.
Objective: Contrast-enhanced ultrasound (CEUS) can be used to effectively monitor hepatocellular carcinoma (HCC) treatment response to percutaneous ablation and transarterial chemoembolization. Here, we performed a supple...
Dynamic Renal T2-mapping After Furosemide Administration for Measurement of Differential Renal Function in Pediatric MR Urography [0.03%]
静脉注射呋塞米后儿科磁共振尿路造影的动态肾T2图测量ifferentialrenal功能
Jakob Spogis,Marcus Weitz,Petros Martirosian et al.
Jakob Spogis et al.
Background: Functional imaging of the kidney in pediatric patients is typically performed using contrast-enhanced MR urography (MRU) or nuclear scintigraphy, both of which require either gadolinium-based contrast agents o...
Automated Scan Region Classification and Patient-specific Dose Modeling for Enhanced Dose Management in Computed Tomography [0.03%]
用于计算机断层扫描增强剂量管理的自动扫描区域分类和患者特异性剂量建模
Laura Garajová,Maike Theis,Sebastian Nowak et al.
Laura Garajová et al.
Objectives: Effective dose management in computed tomography is impeded by 2 key operational challenges: error-prone manual protocol mapping and the high volume of nonactionable alerts from fixed diagnostic reference leve...
Per-Lesion Assessment of Individual MRI Sequences and 68Ga-DOTATATE PET in Neuroendocrine Liver Metastases [0.03%]
神经内分泌肝转移中单个MRI序列和68Ga-DOTATATE PET的病灶个体化评估
Alexander Herold,Azadeh Hajati,Yihan Cao et al.
Alexander Herold et al.
Objectives: To explore magnetic resonance imaging (MRI) and gallium-68 (68Ga)-DOTATATE positron emission tomography (PET) performance in the assessment of neuroendocrine liver metastases (NELMs) on a per-lesion basis, wit...