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Estimation of glomerular filtration rate in a pediatric population using non-contrast kidney phase contrast magnetic resonance imaging
BackgroundGlomerular filtration rate (GFR) is a key measure of kidney function but often inaccurately ascertained by serum creatinine and cystatin C...
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Synthetic hematocrit from virtual non-contrast images for myocardial extracellular volume evaluation with photon-counting detector CT
ObjectivesTo assess the accuracy of a synthetic hematocrit derived from virtual non-contrast (VNC) and virtual non-iodine images (VNI) for myocardial...
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Non-contrast free-breathing 3D cardiovascular magnetic resonance angiography using REACT (relaxation-enhanced angiography without contrast) compared to contrast-enhanced steady-state magnetic resonance angiography in complex pediatric congenital heart disease at 3T
BackgroundTo evaluate the great vessels in young children with complex congenital heart disease (CHD) using non-contrast cardiovascular magnetic...
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Virtual non-contrast series of photon-counting detector computed tomography angiography for aortic valve calcium scoring
The aim of our study was to evaluate two different virtual non-contrast (VNC) algorithms applied to photon counting detector (PCD)-CT data in terms...
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Radiomics using non-contrast CT to predict hemorrhagic transformation risk in stroke patients undergoing revascularization
ObjectivesThis study explores whether textural features from initial non-contrast CT scans of infarcted brain tissue are linked to hemorrhagic...
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Virtual non-contrast detector-based spectral CT predictably overestimates tissue density for the characterisation of adrenal lesions compared to true non-contrast CT
PurposeTo establish if virtual non-contrast (VNC) images generated from contrast-enhanced detector-based spectral CT could replace true non-contrast...
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Non-contrast computed tomography features predict intraventricular hemorrhage growth
ObjectivesNon-contrast computed tomography (NCCT) markers are robust predictors of parenchymal hematoma expansion in intracerebral hemorrhage (ICH)....
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Value of virtual non-contrast images to identify uncomplicated cystic renal lesions: photon-counting detector CT vs. dual-energy integrating detector CT
PurposeTo investigate the value of photon-counting detector CT (PCD-CT) derived virtual non-contrast (VNC) reconstructions to identify renal cysts in...
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Non-contrast MRI of micro-vascularity of the feet and toes
PurposeThis study aimed to develop novel non-contrast MR perfusion techniques for assessing micro-vascularity of the foot in human subjects.
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Comparative diagnostic performance of contrast-enhanced ultrasound and dynamic contrast-enhanced magnetic resonance imaging for differentiating clear cell and non-clear cell renal cell carcinoma
ObjectiveTo compare the diagnostic efficiency of contrast-enhanced ultrasound (CEUS) with that of dynamic contrast-enhanced magnetic resonance...
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Potential of non-contrast stress T1 map** for the assessment of myocardial injury in hypertrophic cardiomyopathy
BackgroundIschemia of the hypertrophied myocardium due to microvascular dysfunction is related to a worse prognosis in hypertrophic cardiomyopathy...
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Large vessel occlusion detection by non-contrast CT using artificial ıntelligence
IntroductionComputer vision models have been used to diagnose some disorders using computer tomography (CT) and magnetic resonance (MR) images. In...
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The presence of pachymeningeal hyperintensity on non-contrast flair imaging in patients with spontaneous intracranial hypotension
PurposeTraditionally, in the work-up of patients for spontaneous intracranial hypotension, T1 post-contrast imaging is performed in order to assess...
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Non-contrast-enhanced MR angiography of left gastric vein in patients with gastroesophageal varices: morphology and blood supply analysis
ObjectivesTo investigate the feasibility of non-contrast-enhanced MR angiography (NCE-MRA) in evaluating the morphology and blood supply of left...
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The combination of non-contrast abbreviated MRI and alpha foetoprotein has high performance for hepatocellular carcinoma screening
ObjectivesThis study aimed to compare two abbreviated MRI (AMRI) protocols to complete MRI for HCC detection: non-contrast (NC)-AMRI without/with...
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Safety of non-ionic contrast media in CT examinations for out-patients: retrospective multicenter analysis of 473,482 patients
ObjectivesThis study aimed to explore the incidence of and potential risk factors for adverse drug reactions (ADRs) after non-ionic iodinated...
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Uncertainty-aware deep-learning model for prediction of supratentorial hematoma expansion from admission non-contrast head computed tomography scan
Hematoma expansion (HE) is a modifiable risk factor and a potential treatment target in patients with intracerebral hemorrhage (ICH). We aimed to...
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Identification of peroneal artery perforators using non-contrast-enhanced T2prep multi-shot gradient echo planar imaging MRA
The purpose of this study was to investigate the spatial resolution of non-contrast-enhanced (CE) T2prep multi-shot gradient echo planar imaging...
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Qualitative and quantitative assessment of non-clear cell renal cell carcinoma using contrast-enhanced ultrasound
BackgroundNon-clear cell renal cell carcinoma (nccRCC) represents a rare form of renal cell carcinoma (RCC) in the clinic. It is now understood that...
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Automated hepatic steatosis assessment on dual-energy CT-derived virtual non-contrast images through fully-automated 3D organ segmentation
PurposeTo evaluate the efficacy of volumetric CT attenuation-based parameters obtained through automated 3D organ segmentation on virtual...
