Virtual monoenergetic images from photon-counting spectral computed tomography to assess knee osteoarthritis [PDF]
European Radiology Experimental, 2022 Background Dual-energy computed tomography has shown a great interest for musculoskeletal pathologies. Photon-counting spectral computed tomography (PCSCT) can acquire data in multiple energy bins with the potential to increase contrast, especially for ...
Christine Chappard +7 more
doaj +2 more sources
Heliyon, 2023 Objectives: To explore the differences between low kiloelectron volt (keV) virtual monoenergetic images (VMIs) using IQon spectral CT and conventional CT (120 kVp) in the diagnosis of osteoporosis.
Hehui Zhang +6 more
doaj +3 more sources
Virtual Monoenergetic CT Imaging via Deep Learning
Patterns, 2020 Summary: Conventional single-spectrum computed tomography (CT) reconstructs a spectrally integrated attenuation image and reveals tissues morphology without any information about the elemental composition of the tissues.
Wenxiang Cong +4 more
doaj +3 more sources
Optimizing Arterial Vessel Contrast in Portal Venous Phase with Virtual Monoenergetic Images from Photon-Counting Detector CT Scans of the Abdomen—First Clinical Experiences [PDF]
DiagnosticsBackground: Photon-counting detector (PCD) computed tomography (CT) allows for the reconstruction of virtual monoenergetic images (VMI) at different thresholds.
Daniel Dillinger +6 more
doaj +2 more sources
Generation of virtual monoenergetic images at 40 keV of the upper abdomen and image quality evaluation based on generative adversarial networks [PDF]
BMC Medical ImagingBackground Abdominal CT scans are vital for diagnosing abdominal diseases but have limitations in tissue analysis and soft tissue detection. Dual-energy CT (DECT) can improve these issues by offering low keV virtual monoenergetic images (VMI), enhancing ...
Hua Zhong +7 more
doaj +2 more sources
Impact of Phantom Size on Low-Energy Virtual Monoenergetic Images of Three Dual-Energy CT Platforms [PDF]
Diagnostics, 2023 The purpose of this study was to compare the quality of low-energy virtual monoenergetic images (VMIs) obtained with three Dual-Energy CT (DECT) platforms according to the phantom diameter.
Joël Greffier +5 more
doaj +2 more sources
Improved Discriminability of Severe Lung Injury and Atelectasis in Thoracic Trauma at Low keV Virtual Monoenergetic Images from Photon-Counting Detector CT [PDF]
DiagnosticsObjectives: To evaluate the value of virtual monoenergetic images (VMI) from photon-counting detector CT (PCD-CT) for discriminability of severe lung injury and atelectasis in polytraumatized patients.
Hanns Leonhard Kaatsch +11 more
doaj +2 more sources
Role of Virtual Monoenergetic Images in the Assessment of Vessel Enhancement in Segmental Level in Third-Generation Dual-Source Dual-Energy CT Pulmonary Angiography—A Prospective Study [PDF]
Indian Journal of Radiology and ImagingIntroduction Pulmonary embolism is the third most common cause of cardiovascular death worldwide and imaging plays a pivotal role in establishing the diagnosis.
Vijayakumaran Ethiraju +7 more
doaj +2 more sources
Development of a new threshold for pericoronary fat attenuation based on 40 keV virtual monoenergetic images from dual-energy spectral CT [PDF]
Frontiers in Cardiovascular MedicineChen J, Zhou S, Gu M, Li K.
exaly +2 more sources
Diagnostics, 2023 Background: To evaluate if coronary CT angiography (CCTA) monoenergetic reconstructions, obtained with a dual-layer spectral detector computed tomography (DLCT) system, offer improved image quality compared with 120 kVp conventional images without ...
Tommaso D’Angelo +12 more
doaj +1 more source