Search Results - "Proksa, Roland"
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Dark-field computed tomography reaches the human scale
Published in Proceedings of the National Academy of Sciences - PNAS (22-02-2022)“…X-ray computed tomography (CT) is one of the most commonly used three-dimensional medical imaging modalities today. It has been refined over several decades,…”
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X-ray dark-field imaging of the human lung-A feasibility study on a deceased body
Published in PloS one (27-09-2018)“…Disorders of the lungs such as chronic obstructive pulmonary disease (COPD) are a major cause of chronic morbidity and mortality and the third leading cause of…”
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In-vivo X-ray Dark-Field Chest Radiography of a Pig
Published in Scientific reports (06-07-2017)“…X-ray chest radiography is an inexpensive and broadly available tool for initial assessment of the lung in clinical routine, but typically lacks diagnostic…”
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Grating-based phase-contrast and dark-field computed tomography: a single-shot method
Published in Scientific reports (07-08-2017)“…Grating-based X-ray interferometry offers vast potential for imaging materials and tissues that are not easily visualised using conventional X-ray imaging…”
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Simultaneous dual-contrast multi-phase liver imaging using spectral photon-counting computed tomography: a proof-of-concept study
Published in European radiology experimental (22-12-2017)“…Background To assess the feasibility of dual-contrast spectral photon-counting computed tomography (SPCCT) for liver imaging. Methods We present an SPCCT…”
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A Fourier approach to pulse pile-up in photon-counting x-ray detectors
Published in Medical physics (Lancaster) (01-03-2016)“…Purpose: An analytic Fourier approach to predict the expected number of counts registered in a photon-counting detector subject to pulse pile-up for arbitrary…”
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Continuous radial data acquisition for dynamic MRI
Published in Magnetic resonance in medicine (01-11-1995)“…Since image acquisition times in MRI have been reduced considerably over recent years, several new important application areas of MRI have appeared. In…”
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Motion-adapted gating based on k-space weighting for reduction of respiratory motion artifacts
Published in Magnetic resonance in medicine (01-08-1997)“…A new modified type of gating is presented that shows the ability to reduce the total scan time with almost conserved image quality compared with conventional…”
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Technical design considerations of a human-scale Talbot-Lau interferometer for dark-field CT
Published in IEEE transactions on medical imaging (01-01-2023)“…Computed tomography (CT) as an important clinical diagnostics method can profit from extension with dark-field imaging, as it is currently restricted to…”
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Atherosclerotic Plaque Composition: Analysis with Multicolor CT and Targeted Gold Nanoparticles
Published in Radiology (01-09-2010)“…To investigate the potential of spectral computed tomography (CT) (popularly referred to as multicolor CT), used in combination with a gold high-density…”
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Spectral Photon-counting CT: Initial Experience with Dual-Contrast Agent K-Edge Colonography
Published in Radiology (01-06-2017)“…Purpose To investigate the feasibility of using spectral photon-counting computed tomography (CT) to differentiate between gadolinium-based and nonionic…”
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Experimental feasibility of spectral photon-counting computed tomography with two contrast agents for the detection of endoleaks following endovascular aortic repair
Published in European radiology (01-08-2018)“…Objectives After endovascular aortic repair (EVAR), discrimination of endoleaks and intra-aneurysmatic calcifications within the aneurysm often requires…”
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Sensitivity of photon-counting based K-edge imaging in X-ray computed tomography
Published in IEEE transactions on medical imaging (01-09-2011)“…The feasibility of K-edge imaging using energy-resolved, photon-counting transmission measurements in X-ray computed tomography (CT) has been demonstrated by…”
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Dosimetry on first clinical dark‐field chest radiography
Published in Medical physics (Lancaster) (01-10-2021)“…Purpose The purpose of this study was to evaluate the dose characteristic for patient examinations at the first clinical X‐ray dark‐field chest radiography…”
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Evaluation of a preclinical photon-counting CT prototype for pulmonary imaging
Published in Scientific reports (26-11-2018)“…The purpose of this study was to investigate a preclinical spectral photon-counting CT (SPCCT) prototype compared to conventional CT for pulmonary imaging. A…”
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Computed Tomography in Color: NanoK-Enhanced Spectral CT Molecular Imaging
Published in Angewandte Chemie (International ed.) (10-12-2010)“…Multicolored imaging: A new class of molecular imaging agent has been developed based on low‐molecular‐weight organically soluble bismuth to detect and…”
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Multienergy photon-counting K-edge imaging: potential for improved luminal depiction in vascular imaging
Published in Radiology (01-12-2008)“…The purpose of this study was to investigate whether spectral computed tomography (CT) has the potential to improve luminal depiction by differentiating among…”
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Effect of Computed Tomography Scanning Parameters on Gold Nanoparticle and Iodine Contrast
Published in Investigative radiology (01-08-2012)“…PURPOSEGold nanoparticles (gold-NPs) have lately been proposed as alternative contrast agents to iodine-based contrast agents (iodine-CA) for computed…”
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DXA-equivalent quantification of bone mineral density using dual-layer spectral CT scout scans
Published in European radiology (01-09-2019)“…Objectives To develop and evaluate a method for areal bone mineral density (aBMD) measurement based on dual-layer spectral CT scout scans. Methods A…”
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Erratum: “Dosimetry on first clinical dark‐field chest radiography" Med Phys 48(10), 6152–6159
Published in Medical physics (Lancaster) (01-07-2022)Get full text
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