Systematic analysis of the impact of imaging noise on dual-energy CT-based proton stopping power ratio estimation.
Sign Up to like & getrecommendations! Published in 2019 at "Medical physics"
DOI: 10.1002/mp.13493
Abstract: PURPOSE Dual-energy CT (DECT) has been shown to have a great potential in reducing the uncertainty in proton stopping power ratio (SPR) estimation, when compared to current standard method - the stoichiometric method based on… read more here.
Keywords: estimation; uncertainty; energy; impact ... See more keywords
Advanced CT techniques for hepatic microwave ablation zone monitoring and follow-up
Sign Up to like & getrecommendations! Published in 2021 at "Abdominal Radiology"
DOI: 10.1007/s00261-021-03333-z
Abstract: To evaluate utility of advanced CT techniques including HighlY constrained back-projection and dual-energy CT for intra- and post-procedure hepatic microwave ablation zone monitoring. 8 hepatic microwave ablations were performed in 4 adult swine (5 min/65… read more here.
Keywords: ablation; ablation zone; advanced techniques; dect ... See more keywords
Extracellular volume fraction determined by equilibrium contrast-enhanced dual-energy CT as a prognostic factor in patients with stage IV pancreatic ductal adenocarcinoma
Sign Up to like & getrecommendations! Published in 2019 at "European Radiology"
DOI: 10.1007/s00330-019-06517-w
Abstract: Objectives To evaluate the feasibility of equilibrium contrast-enhanced dual-energy CT (DECT), as compared with single-energy CT (SECT) and to calculate extracellular volume (ECV) fraction to predict the survival outcomes of pancreatic ductal adenocarcinoma (PDAC) patients… read more here.
Keywords: extracellular volume; energy; dect; fraction ... See more keywords
Dual-energy CT in differentiating benign sinonasal lesions from malignant ones: comparison with simulated single-energy CT, conventional MRI, and DWI
Sign Up to like & getrecommendations! Published in 2021 at "European Radiology"
DOI: 10.1007/s00330-021-08159-3
Abstract: To explore the value of dual-energy CT (DECT) for differentiating benign sinonasal lesions from malignant ones, and to compare this finding with simulated single-energy CT (SECT), conventional MRI (cMRI), and diffusion-weighted imaging (DWI). Patients with… read more here.
Keywords: energy; sinonasal lesions; cmri; dwi ... See more keywords
Diagnostic Performance of Dual-energy CT Versus Ultrasonography in Gout: A Meta-analysis.
Sign Up to like & getrecommendations! Published in 2020 at "Academic radiology"
DOI: 10.1016/j.acra.2020.08.030
Abstract: OBJECTIVE Dual-energy computed tomography (DECT), along with ultrasound (US), has been increasingly utilized for the diagnosis of gout because of its noninvasive advantages. However, the superiority of DECT over US remains controversial. This meta-analysis was… read more here.
Keywords: dect; sensitivity; gout; dual energy ... See more keywords
Structure delineation in the presence of metal – A comparative phantom study using single and dual-energy computed tomography with and without metal artefact reduction
Sign Up to like & getrecommendations! Published in 2019 at "Physics and Imaging in Radiation Oncology"
DOI: 10.1016/j.phro.2019.01.001
Abstract: Background and purpose Metal artefacts in computed tomography (CT) images impairs structure delineation. These artefacts can potentially be reduced with dual-energy CT (DECT) with or without using metal artefact reduction (MAR). The purpose was to… read more here.
Keywords: mar; dect; metal; structure delineation ... See more keywords
Comprehensive analysis of proton range uncertainties related to stopping-power-ratio estimation using dual-energy CT imaging.
Sign Up to like & getrecommendations! Published in 2017 at "Physics in medicine and biology"
DOI: 10.1088/1361-6560/aa7dc9
Abstract: The dual-energy CT-based (DECT) approach holds promise in reducing the overall uncertainty in proton stopping-power-ratio (SPR) estimation as compared to the conventional stoichiometric calibration approach. The objective of this study was to analyze the factors… read more here.
Keywords: estimation; range; uncertainty; dect ... See more keywords
Direct Comparison of Diagnostic Accuracy of Fast Kilovoltage Switching Dual-Energy Computed Tomography and Magnetic Resonance Imaging for Detection of Enhancement in Renal Masses
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Computer Assisted Tomography"
DOI: 10.1097/rct.0000000000001361
Abstract: Purpose The aim of the study was to compare diagnostic accuracy of dual-energy computed tomography (DECT) and magnetic resonance imaging (MRI) to detect enhancement in renal masses. Methods Adults renal masses of 10 mm or… read more here.
Keywords: dual energy; accuracy; dect; enhancement renal ... See more keywords
Dual-Energy Computed Tomography for Detection and Characterization of Monosodium Urate, Calcium Pyrophosphate, and Hydroxyapatite
Sign Up to like & getrecommendations! Published in 2021 at "Investigative Radiology"
DOI: 10.1097/rli.0000000000000756
Abstract: Supplemental digital content is available in the text. Objectives The aim of this study was to determine the diagnostic performance of dual-energy computed tomography (DECT) to detect and distinguish crystal deposits in a phantom. The… read more here.
Keywords: crystal; dect; msu; dual energy ... See more keywords
PIE-ARNet: Prior Image Enhanced Artifact Removal Network for Limited-Angle DECT
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2022.3221772
Abstract: Dual-energy computed tomography (DECT) is of great clinical significance because it can simultaneously visualize the internal structure of the scanned object and provide material-specific information. DECT obtains two attenuation measurements of the same object at… read more here.
Keywords: artifact removal; dect; pie arnet; prior image ... See more keywords
SAT0450 SENSITIVITY OF DUAL-ENERGY CT SCANNING, ULTRASOUND, AND X-RAY FOR CRYSTAL-PROVEN PSEUDOGOUT
Sign Up to like & getrecommendations! Published in 2019 at "Annals of the Rheumatic Diseases"
DOI: 10.1136/annrheumdis-2019-eular.2416
Abstract: Background Advanced imaging modalities such as ultrasound (US) and dual-energy CT (DECT) can help diagnose crystalline arthritis. DECT is highly sensitive and specific in gout and has not been well studied in pseudogout. Objectives To… read more here.
Keywords: tfcc none; volume; dect; sensitivity ... See more keywords