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Utility of Low-dose High-pitch Scanning for Pediatric Cardiac CT Imaging

posted by dsct.com | Dec 4, 2016
dsct.com

In this article, we review the unique advantages of dual-source cardiac CT relative to other imaging modalities and illustrate its utility for patient management with multiple case examples. Read more

Non-sedated, free breathing cardiac CT for evaluation of complex congenital heart disease in neonates.

posted by dsct.com | Nov 30, 2016
dsct.com

Objectives: To evaluate the image quality and risk of free breathing, non-sedated cardiac CTA for definition of CHD in the neonatal period and to determine accuracy compared with interventional findings. Read more

Virtual unenhanced second generation dual-source CT of the liver: is it time to discard the conventional unenhanced phase?

posted by dsct.com | Nov 25, 2016
dsct.com

Introduction: Dual-energy dual source CT can almost simultaneously image patients using two different tube potentials, allowing material decomposition and creation of ‘virtual unenhanced’ (VU) images from post-contrast series. Read more

Is ECG Triggering for Motion Artifact Reduction in Dual-Source CT Angiographies of the Ascending Aorta still required in times of High-Pitch scanning?

posted by dsct.com | Nov 22, 2016
dsct.com

Objectives: To compare electrocardiographic (ECG)-triggered high-pitch (HP) dual-source computed tomography angiography (CTA) with non- ECG-triggered HP CTA of the aorta, particularly the ascending aorta, with regard to image quality, motion artifacts, contrast-to-noise-ratio (CNR), signal-to-noise-ratio (SNR), and radiation dose. Read more

Technical Note: Improved CT number stability across patient size using dual-energy CT virtual monoenergetic imaging

posted by dsct.com | Nov 18, 2016
dsct.com

Purpose: To evaluate, over a wide range of phantom sizes, CT number stability achieved using two techniques for generating dual-energy computed tomography (DECT) virtual monoenergetic images. Read more

Image Quality of a Novel Frequency Selective Nonlinear Blending Algorithm: An Ex Vivo Phantom Study in Comparison to Single-Energy Acquisitions and Dual-Energy Acquisitions With Monoenergetic Reconstructions

posted by dsct.com | Nov 15, 2016
dsct.com

Objective: To evaluate the contrast enhancement applying a new frequency split nonlinear blending algorithm (best contrast [BC]) and to compare it with standard 120-kV single-energy computed tomography (SECT) images, as well as with low-kiloelectron volt monoenergetic extrapolations (Mono+40-100keV) from dual-energy CT (DECT) and with lowkilovolt (70-100 kV) SECT acquisitions. Read more

Dual-Energy CT-based Display of Bone Marrow Edema in Osteoporotic Vertebral Compression Fractures: Impact on Diagnostic Accuracy of Radiologists with Varying Levels of Experience in Correlation to MR Imaging.

posted by Ralf Bauer, M.D. | Nov 11, 2016
Ralf Bauer, M.D.

Purpose: To evaluate whether a dual-energy (DE) computed tomographic (CT) virtual noncalcium technique can improve the detection rate of acute thoracolumbar vertebral compression fractures in patients with osteoporosis compared with that at magnetic resonance (MR) imaging depending on the level of experience of the reading radiologist. Read more


Experts
Julian L. Wichmann, M.D.

Resident in Diagnostic Radiology –
Expert in Dual-Energy, Cardiovascular Imaging


Ronald Booij

Radiographer, Research and Innovation unit CT


Gregor Pache, M.D.

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


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