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Very low-dose (0.15 mGy) chest CT protocols using the COPDGene 2 test object and a third-generation Dual-Source CT scanner with corresponding third-generation iterative reconstruction software.

posted by dsct.com | Apr 28, 2016
dsct.com

The purpose of this study was to evaluate the impact of ultralow radiation dose single-energy computed tomographic (CT) acquisitions with Sn prefiltration and third-generation iterative reconstruction on density-based quantitative measures of growing interest in phenotyping pulmonary disease. Read more

Novel iterative reconstruction method with optimal dose usage for partially redundant CT-acquisition

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

In CT imaging, a variety of applications exist which are strongly SNR limited. However, in some cases redundant data of the same body region provide additional quanta. Read more

Metal Artifact Reduction in Pelvic Computed Tomography With Hip Prostheses: Comparison of Virtual Monoenergetic Extrapolations From Dual-Energy Computed Tomography and an Iterative Metal Artifact Reduction Algorithm in a Phantom Study.

posted by Hatem Alkadhi, M.D., M.P.H., E.B.C.R. | Apr 18, 2016
Hatem Alkadhi, M.D., M.P.H., E.B.C.R.

The aim of this study was to directly compare metal artifact reduction (MAR) of virtual monoenergetic extrapolations (VMEs) from dual-energy computed tomography (CT) with iterative MAR (iMAR) from single energy in pelvic CT with hip prostheses. Read more

Effect of Automated Attenuation-based Tube Voltage Selection on Radiation Dose at CT: An Observational Study on a Global Scale.

posted by Carlo Nicola De Cecco, M.D., PhD | Apr 16, 2016
Carlo Nicola De Cecco, M.D., PhD

Purpose: To evaluate the effect of automated tube voltage selection (ATVS) on radiation dose at computed tomography (CT) worldwide encompassing all body regions and types of CT examinations. Read more

CT of the Abdomen with Reduced Tube Voltage in Adults: A Practical Approach

posted by dsct.com | Apr 11, 2016
dsct.com

Recent innovations in computed tomographic (CT) hardware and software have allowed implementation of low tube voltage imaging into everyday CT scanning protocols in adults. Read more

Case: Ultra-fast Low-dose Coronary CTA at 0.37 mSv and with 35 mL Contrast Agent

posted by Julian L. Wichmann, M.D. | Apr 9, 2016
Julian L. Wichmann, M.D.
  • 2015-12-09_tabelle_5

A 77-year-old male patient, with multiple risk factors including hypertension, hyperlipidemia, and history of cigarette smoking, was admitted with recent onset of chest discomfort and shortness of breath at rest. cCTA images demonstrated an approximately 50% stenosis of the mid LAD segment and mid CX without LM stenosis. Read more

Image Quality of 3rd Generation Spiral Cranial Dual-Source CT in Combination with an Advanced Model Iterative Reconstruction Technique: A Prospective Intra-Individual Comparison Study to Standard Sequential Cranial CT Using Identical Radiation Dose

posted by Thomas Henzler, MD | Apr 7, 2016
Thomas Henzler, MD

Objectives: To prospectively intra-individually compare image quality of a 3rd generation Dual-Source-CT (DSCT) spiral cranial CT (cCT) to a sequential 4-slice Multi-Slice-CT (MSCT) while maintaining identical intra-individual radiation dose levels. Read more


Experts
Sebastian Leschka, M.D.

Associate professor –
Expert in CTA, emergency radiology, abdominal imaging


Harald Seifarth, M.D.

Assistant Professor –
Expert in CTA, cardiac imaging


Julian L. Wichmann, M.D.

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


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