Impact of a prototype, dedicated AI‐based spectral image reconstruction algorithm on the quality of low‐keV virtual monoenergetic images and iodine maps: A phantom study
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DOI: 10.1002/mp.70093
Abstract: Background: Recently, CT manufacturers have developed deep‐learning‐based reconstruction (DLR) algorithms for conventional and spectral CT images. On dual‐energy CT platforms, DLR algorithms have been developed in particular to reduce image noise in virtual monoenergetic images… read more here.
Keywords: monoenergetic images; iodine maps; impact prototype; image ... See more keywords
Virtual monoenergetic images from spectral detector computed tomography facilitate washout assessment in arterially hyper-enhancing liver lesions
Sign Up to like & getrecommendations! Published in 2020 at "European Radiology"
DOI: 10.1007/s00330-020-07379-3
Abstract: Objectives To investigate whether the increased soft tissue contrast of virtual monoenergetic images (VMIs) obtained from a spectral detector computed tomography (SDCT) system improves washout assessment of arterially hyper-enhancing liver lesions. Methods Fifty-nine arterially hyper-enhancing… read more here.
Keywords: enhancing liver; arterially hyper; virtual monoenergetic; hyper enhancing ... See more keywords
Noise-optimised virtual monoenergetic imaging of dual-energy CT: effect on metal artefact reduction in patients with lumbar internal fixation
Sign Up to like & getrecommendations! Published in 2019 at "European Spine Journal"
DOI: 10.1007/s00586-019-05984-5
Abstract: PurposeThe purpose of this study was to evaluate the effects of noise-optimised virtual monoenergetic imaging (VMI+) reconstructions on reducing metal artefacts compared to traditional virtual monoenergetic imaging (VMI) and linearly blended (M_0.6) reconstructions in patients… read more here.
Keywords: kev; kev vmi; vmi; metal ... See more keywords
Virtual monoenergetic dual-energy CT for evaluation of hepatic and splenic lacerations
Sign Up to like & getrecommendations! Published in 2019 at "Emergency Radiology"
DOI: 10.1007/s10140-019-01687-y
Abstract: PurposeTo evaluate the utility of virtual monoenergetic imaging in assessing hepatic and splenic lacerations and to determine the optimal energy level to maximize injury contrast-to-noise ratio.MethodsWe retrospectively examined 49 contrast-enhanced abdominal CT studies performed on… read more here.
Keywords: conventional images; contrast; energy; virtual monoenergetic ... See more keywords
Metal artifact reduction by dual-layer computed tomography using virtual monoenergetic images.
Sign Up to like & getrecommendations! Published in 2017 at "European journal of radiology"
DOI: 10.1016/j.ejrad.2017.05.013
Abstract: OBJECTIVE The aim of the study was to investigate the performance and diagnostic value of metal artifact reduction in virtual monoenergetic images generated from dual-layer computed tomography (DLCT). METHODS 35 patients that received a DLCT… read more here.
Keywords: dual layer; metal artifact; virtual monoenergetic; artifact reduction ... See more keywords
Noise characteristics of virtual monoenergetic images from a novel detector-based spectral CT scanner.
Sign Up to like & getrecommendations! Published in 2018 at "European journal of radiology"
DOI: 10.1016/j.ejrad.2017.11.005
Abstract: AIM To evaluate the noise characteristics of virtual monoenergetic images (VMI) obtained from a recently introduced dual-layer detector-based spectral CT (SDCT), both in a phantom and patients. MATERIALS AND METHODS A cylindrical Catphan® 600 phantom… read more here.
Keywords: noise characteristics; virtual monoenergetic; noise; characteristics virtual ... See more keywords
Reduction of microwave ablation needle related metallic artifacts using virtual monoenergetic images from dual-layer detector spectral CT in a rabbit model with VX2 tumor
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DOI: 10.1038/s41598-021-88853-w
Abstract: The purpose of the study was to investigate the application of virtual monoenergetic images (VMIs) in reducing metal artifacts in rabbit VX2 liver cancer models treated with microwave ablation (MWA) therapy. A total of 31… read more here.
Keywords: kev; 200 kev; virtual monoenergetic; microwave ablation ... See more keywords
Evaluation of Virtual Monoenergetic Images on Pulmonary Vasculature Using the Dual-Layer Detector-Based Spectral Computed Tomography
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Computer Assisted Tomography"
DOI: 10.1097/rct.0000000000000748
Abstract: Objective To evaluate the ability of retrospectively generated virtual monoenergetic images (VMIs) from the detector-based spectral computed tomography (SDCT) to augment pulmonary artery enhancement in CT and if iodine map can predict the optimal monoenergetic… read more here.
Keywords: based spectral; energy; attenuation; virtual monoenergetic ... See more keywords
Virtual monoenergetic images by spectral detector computed tomography may improve image quality and diagnostic ability for ischemic lesions in acute ischemic stroke
Sign Up to like & getrecommendations! Published in 2022 at "Acta Radiologica"
DOI: 10.1177/02841851221130612
Abstract: Background Acute ischemic lesions are challenging to detect by conventional computed tomography (CT). Virtual monoenergetic images may improve detection rates by increased tissue contrast. Purpose To compare the ability to detect ischemic lesions of virtual… read more here.
Keywords: image quality; may improve; conventional images; virtual monoenergetic ... See more keywords
A nomogram based on dual-layer spectral detector CT-derived 40KeV virtual monoenergetic images for preoperative prediction of simultaneous distant metastasis in colorectal cancer
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DOI: 10.1186/s12880-025-02008-1
Abstract: To establish and validate a nomogram combining dual-layer spectral detector CT(DLSCT)-derived 40KeV virtual monoenergetic images (VMI) of radiomics features, spectral parameters and clinical features for preoperative prediction of simultaneous distant metastases (SDM) in colorectal cancer… read more here.
Keywords: spectral detector; 40kev virtual; dual layer; virtual monoenergetic ... See more keywords
Development of a new threshold for pericoronary fat attenuation based on 40 keV virtual monoenergetic images from dual-energy spectral CT
Sign Up to like & getrecommendations! Published in 2025 at "Frontiers in Cardiovascular Medicine"
DOI: 10.3389/fcvm.2025.1679078
Abstract: Objective To investigate the distinct properties of pericoronary adipose tissue (PCAT) on 40 keV virtual monoenergetic images (VMI) from spectral detector CT (SDCT) and compare them with conventional mixed-energy images (MEI), aiming to establish a… read more here.
Keywords: kev vmi; energy; kev virtual; new threshold ... See more keywords