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Dual-Energy Computed Tomography Angiography of the Lower Extremity Runoff: Impact of Noise-Optimized Virtual Monochromatic Imaging on Image Quality and Diagnostic Accuracy

posted by Julian L. Wichmann, M.D. | Feb 12, 2016
Julian L. Wichmann, M.D.

The aim of this study was to evaluate the impact of a noise-optimized virtual monochromatic imaging algorithm (VMI+) on image quality and diagnostic accuracy at dual-energy computed tomography angiography (CTA) of the lower extremity runoff. Read more

Diagnostic value of quantitative stenosis predictors with coronary CT angiography compared to invasive fractional flow reserve.

posted by U. Joseph Schoepf, M.D. | Feb 10, 2016
U. Joseph Schoepf, M.D.

Objective: To evaluate the diagnostic performance of CCTA-derived stenosis predictors including CT-FFR for the detection of ischemia-inducing stenosis compared to invasive FFR. Read more

Diagnostic performance of an advanced modeled iterative reconstruction algorithm for lowcontrast detectability on a third-generation Dual-Source MDCT scanner: Potential for radiation dose reduction in a multi reader study.

posted by dsct.com | Feb 8, 2016
dsct.com

Purpose: To assess the effect of radiation dose reduction on low-contrast detectability by using an advanced modeled iterative reconstruction (ADMIRE; Siemens Healthcare, Forchheim, Germany) algorithm in a contrast-detail phantom with a thirdgeneration dual-source multidetector computed tomography (CT) scanner. Read more

Advanced Modeled Iterative Reconstruction in Low-Tube-Voltage Contrast-Enhanced Neck CT: Evaluation of Objective and Subjective Image Quality

posted by Julian L. Wichmann, M.D. | Feb 5, 2016
Julian L. Wichmann, M.D.

Dose-saving techniques in neck CT cause increased image noise that can be counteracted by iterative reconstruction. Our aim was to evaluate the image quality of advanced modeled iterative reconstruction (ADMIRE) in contrast-enhanced low-tubevoltage neck CT. Read more

Low-Volume Contrast Medium Protocol for Comprehensive Cardiac and Aortoiliac CT Assessment in the Context of Transcatheter Aortic Valve Replacement.

posted by U. Joseph Schoepf, M.D. | Jan 26, 2016
U. Joseph Schoepf, M.D.

Rationale and Objectives: To investigate the diagnostic performance of a comprehensive computed tomography (CT) protocol for both cardiac and aortoiliac evaluation of patients considered for transcatheter aortic valve replacement (TAVR) using a single, low-volume contrast medium (CM) injection. Read more

Performance of today’s dual energy CT and future multi energy CT in virtual non-contrast imaging and in iodine quantification: A simulation.

posted by Michael M. Lell, M.D. | Jan 21, 2016
Michael M. Lell, M.D.

To study the performance of different dual energy computed tomography (DECT) techniques, which are available today, and future multi energy CT (MECT) employing novel photon counting detectors in an image-based material decomposition task. Read more

Absolute Versus Relative Myocardial Blood Flow by Dynamic CT Myocardial Perfusion Imaging in Patients With Anatomic Coronary Artery Disease.

posted by U. Joseph Schoepf, M.D. | Jan 18, 2016
U. Joseph Schoepf, M.D.

Objective: The purpose of this study was to evaluate differences in the diagnostic accuracy of absolute and relative territorial myocardial blood flow (MBF) derived from stress dynamic CT myocardial perfusion imaging (MPI) for the detection of significant coronary artery stenosis. Read more


Experts
Hyun Woo Goo, M.D.

Professor of Radiology –
Expert in bronchial system, cardiac defects, pediatrics


Gregor Pache, M.D.

Associate Professor, Head of Section Cardiovascular Radiology –
Expert in Cardiovascular Imaging, Dual Energy CT, Dose Reduction


Michael M. Lell, M.D.

Professor of Radiology
Senior radiologist and deputy director of the Department of Radiology –
Expert in Cardiovascular Imaging, Dose Reduction


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