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Article
Open AccessHalved contrast medium dose coronary dual-layer CT-angiography – phantom study of tube current and patient characteristics
Virtual mono-energetic images (VMI) using dual-layer computed tomography (DLCT) enable substantial contrast medium (CM) reductions. However, the combined impact of patient size, tube voltage, and heart rate (H...
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Article
Open AccessSystematic assessment of coronary calcium detectability and quantification on four generations of CT reconstruction techniques: a patient and phantom study
In computed tomography, coronary artery calcium (CAC) scores are influenced by image reconstruction. The effect of a newly introduced deep learning-based reconstruction (DLR) on CAC scoring in relation to othe...
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Article
Improved coronary calcium detection and quantification with low-dose full field-of-view photon-counting CT: a phantom study
The aim of the current study was to systematically assess coronary artery calcium (CAC) detection and quantification for spectral photon-counting CT (SPCCT) in comparison to conventional CT and, in addition, t...
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Article
Open AccessCoronary calcium scoring potential of large field-of-view spectral photon-counting CT: a phantom study
The aim of the current study was, first, to assess the coronary artery calcium (CAC) scoring potential of spectral photon-counting CT (SPCCT) in comparison with computed tomography (CT) for routine clinical pr...
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Article
Open AccessCone beam computed tomography for detecting residual stones in percutaneous nephrolithotomy, a randomized controlled trial (CAPTURE) protocol
Percutaneous nephrolithotomy (PCNL) is the standard surgical treatment method for large kidney stones. Its aim is to achieve a stone-free status, since any residual fragments (RFs) after PCNL are likely to cau...
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Article
Open AccessCoverage determinants of breast cancer screening in Flanders: an evaluation of the past decade
Breast cancer (BC) is the most common cancer in women in the developed world. In order to find develo** cancers in an early stage, BC screening is commonly used. In Flanders, screening is performed in and ou...
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Article
Open AccessInfluence of heart rate on coronary calcium scores: a multi-manufacturer phantom study
To evaluate the influence of heart rate on coronary calcium scores (CCS) using a dynamic phantom on four high-end computed tomography (CT) systems from different manufacturers. Artificial coronary arteries wer...
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Article
Open AccessInfluence of iterative reconstruction on coronary calcium scores at multiple heart rates: a multivendor phantom study on state-of-the-art CT systems
The objective of this study was to evaluate the influence of iterative reconstruction on coronary calcium scores (CCS) at different heart rates for four state-of-the-art CT systems. Within an anthropomorphic c...
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Article
Open AccessInfluence of dose reduction and iterative reconstruction on CT calcium scores: a multi-manufacturer dynamic phantom study
To evaluate the influence of dose reduction in combination with iterative reconstruction (IR) on coronary calcium scores (CCS) in a dynamic phantom on state-of-the-art CT systems from different manufacturers. ...
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Article
Open AccessFeasibility of measuring renal blood flow by phase-contrast magnetic resonance imaging in patients with autosomal dominant polycystic kidney disease
Renal blood flow (RBF) has been shown to predict disease progression in autosomal dominant polycystic kidney disease (ADPKD). We investigated the feasibility and accuracy of phase-contrast RBF by MRI (RBFMRI) in ...
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Article
Open AccessThe value of PET/CT with FES or FDG tracers in metastatic breast cancer: a computer simulation study in ER-positive patients
The aim of this study was to evaluate the effect on the number of performed biopsies and costs associated with implementing positron emission tomography (PET) and computed tomography (PET/CT) with 16α-[18F]fluoro...
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Article
Open AccessWhich screening strategy should be offered to women with BRCA1 or BRCA2 mutations? A simulation of comparative cost-effectiveness
There is no consensus on the most effective strategy (mammography or magnetic resonance imaging (MRI)) for screening women with BRCA1 or BRCA2 mutations. The effectiveness and cost-effectiveness of the Dutch, UK ...
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Article
Open AccessFeasibility of computed tomography based thermometry during interstitial laser heating in bovine liver
To assess the feasibility of computed tomography (CT) based thermometry during interstitial laser heating in the bovine liver.
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Article
Open AccessComparison of MRI, 64-slice MDCT and DSCT in assessing functional cardiac parameters of a moving heart phantom
To compare magnetic resonance imaging (MRI), 64-slice multi-detector computed tomography (MDCT) and dual-source computed tomography (DSCT) in assessing global function parameters using a moving heart phantom. ...
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Article
Open AccessA new approach to the assessment of lumen visibility of coronary artery stent at various heart rates using 64-slice MDCT
Coronary artery stent lumen visibility was assessed as a function of cardiac movement and temporal resolution with an automated objective method using an anthropomorphic moving heart phantom. Nine different co...
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Article
A model for temporal resolution of multidetector computed tomography of coronary arteries in relation to rotation time, heart rate and reconstruction algorithm
A model is presented that describes the image quality of coronary arteries with multidetector computer tomography. The results are discussed in the context of rotation time of the scanner, heart rate, and numb...
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Article
Krypton incorporation in sputtered silicon films
The incorporation of Kr in sputtered a-Si films has been investigated in a systematic way by varying the Kr to Si flux, yielding Kr concentrations up to 5 at%. Compositions were determined with X-ray microanal...
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Article
A MÖssbauer Study on Solid Krypton Precipitates in Aluminium and Silicon
Mössbauer spectroscopy on the 9.4 keV transition in 83Kr is used to study inert gases in metals and semiconductors. An absorber was made by implanting 83Kr at 110 keV in Al foils to a total dose of 1.7·1016 Kr cm
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Article
Noble Gas Incorporation in Sputtered and Ion Beam Assisted Grown Silicon Films
Gas desorption measurements have been performed on sputter deposited silicon films. The sputter gas was argon or krypton. Parameters influencing the incorporation process e.g. bias voltage, substrate temperatu...
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83Kr Mössbauer Spectroscopy and Inert Gas Inclusions in Aluminium and Silicon
83Kr Mössbauer spectroscopy has been used to obtain information about inert gas precipitates in Al. Krypton inclusions in Si are studied with TEM, RBS and X-ray diffraction.
