It Is All About Energy-the Changing Role of X-ray Photons in Photon-counting Detector Computed Tomography: What the Radiologist Needs to Know About kV and keV [0.03%]
全是关于能量——能计探测器CT中X线光子作用的变化：关于管电压和光子能量的放射科医师需要知道的内容
Eva J I Hoeijmakers,Bibi Martens,Joachim E Wildberger et al.
Eva J I Hoeijmakers et al.
CT image quality is strongly influenced by the energy of the x-ray beam. The tube voltage (kV) determines a polyenergetic x-ray spectrum, which affects both image contrast and noise in conventional energy-integrating detector CT (EID-CT) im...
Photon-counting Detector CT Spectral Reconstructions for Radiomics-based Liver Lesion Classification: A Multicenter Study [0.03%]
基于光子计数探测器CT谱重建的肝占位性病变影像组学分类多中心研究
Friedrich L Pietsch,Abhinay K Vellala,Florian Haag et al.
Friedrich L Pietsch et al.
Objectives: Accurate noninvasive classification of hepatic lesions remains a diagnostic challenge, particularly on conventional CT. Photon Counting Detector CT (PCD-CT) offers spectral imaging capabilities that may enhanc...
Signal Enhancement of Gadoquatrane for Standard Clinical Pulse Sequences: A Phantom Study in Human Plasma [0.03%]
人血浆中增强Gadoquatrane信号的标准临床脉冲序列的体模研究
Gregor Jost,Jessica Lohrke,Hubertus Pietsch
Gregor Jost
Objectives: The purpose of this phantom study in human plasma was to characterize the signal enhancement properties of gadoquatrane under clinically relevant, highly standardized conditions in comparison to gadobutrol. Ga...
The Impact of AI on Eye Gaze Patterns in Chest X-Ray Interpretation: An Eye Tracking Study of Novice and Expert Radiologists [0.03%]
人工智能对胸部X光片解读时眼动轨迹影响的实证研究——新手与专家放射科医生的眼动追踪实验
Dana Belde,Armand Kapaj,Sara Irina Fabrikant et al.
Dana Belde et al.
Purpose: To investigate how artificial intelligence-assisted chest radiograph interpretation influences eye gaze patterns in novice and expert radiologists. ...
Efficacy of a Novel Dimeric Macrocyclic Gadolinium Chelate With High Relaxivity in Preclinical Models of Neurological and Oncological Pathologies [0.03%]
一种新型二聚体巨环钆螯合物具有高弛豫率并在神经和肿瘤病理的前临床模型中有效性的研究
Francesca La Cava,Sonia Colombo Serra,Alessia Cordaro et al.
Francesca La Cava et al.
Background: Gadolinium-based contrast agents (GBCAs) are crucial for enhancing MRI contrast, especially in neurological and oncological imaging. Achieving high relaxivity is a primary focus in contrast media research. Rec...
Advanced Iterative Metal Artifact Reduction With Intrinsic Spectral Information From Photon-counting Detector Computed Tomography: Improving the Assessment of Metal-bone Interface [0.03%]
基于光子计数探测器CT内在谱信息的迭代金属伪影减少算法：提高金属与骨界面评估能力
Tristan T Demmert,Thilo Schikorra,Sandro-Michael Heining et al.
Tristan T Demmert et al.
Background: Metallic implants can cause relevant artifacts in computed tomography (CT) imaging, affecting the quality and diagnostic utility of scans. Previous advancements in metal artifact reduction techniques have show...
Metal Artifact Reduction in Lumbar Spine Instrumentation: A Comparison of Photon-Counting Detector-Computed Tomography Versus Energy-Integrating Detector-Computed Tomography, Iterative Metal Artifact Reduction, and Virtual Monoenergetic Imaging in 100 Examinations [0.03%]
金属伪影减少在腰椎内固定术中的应用：基于100例检查对比光子计数探测器与能量积分探测器CT、迭代金属伪影减少和虚拟单色谱成像技术
Thomas Marth,Adrian Alexander Marth,Frederik Abel et al.
Thomas Marth et al.
Objective: Photon-counting detector (PCD) computed tomography (CT) systems allow the reconstruction of virtual monoenergetic images (VMIs) from inherently available spectral data. However, qualitative and quantitative eva...
3D Simultaneous Post-Contrast T1/T2 Mapping and Synthetic Multi-Contrast Late Gadolinium Enhancement at 0.55T: Validation in Porcine Myocardial Infarction Model [0.03%]
0.55T下三维晚期钆增强的同时对比后T1/T2映射及多对比合成：猪心肌梗死模型验证研究
Dongyue Si,Juliet Varghese,Simon J Littlewood et al.
Dongyue Si et al.
Objectives: To propose and validate a simplified method for 3D simultaneous post-contrast parametric mapping and synthetic late gadolinium enhancement (LGE) imaging at 0.55T for comprehensive whole-heart myocardial tissue...
Ferumoxytol-Enhanced Cardiac Magnetic Resonance for Delineation of Hyperacute Intramyocardial Hemorrhage With Ex Vivo Validation [0.03%]
一种能增强心脏磁共振的新型含铁药物及其在离体实验中的验证结果：外源性应用超顺磁性氧化铁含药颗粒成像液态充盈心肌内出血区域
Arutyun Pogosyan,Caroline M Colbert,Mostafa Mahmoudi et al.
Arutyun Pogosyan et al.
Objectives: Intramyocardial hemorrhage (IMH) is the most severe form of injury associated with reperfusion therapy during acute myocardial infarction (AMI). Although T2*-weighted cardiac MRI is regarded as the reference s...