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High Atomic Number Contrast Media Offer Potential for Radiation Dose Reduction in Contrast- Enhanced Computed Tomography

posted by dsct.com | May 31, 2016

Objectives: Spectral optimization of x-ray computed tomography (CT) has led to substantial radiation dose reduction in contrast-enhanced CT studies using standard iodinated contrast media. The purpose of this study was to analyze the potential for further dose reduction using high-atomic-number elements such as hafnium and tungsten. Read more

Image quality, radiation dose and diagnostic accuracy of 70 kVp whole brain volumetric CT perfusion imaging: a preliminary study.

posted by U. Joseph Schoepf, M.D. | May 27, 2016
U. Joseph Schoepf, M.D.

Purpose: To evaluate image quality and diagnostic accuracy for acute infarct detection and radiation dose of 70 kVp whole brain CT perfusion (CTP) and CT angiography (CTA) reconstructed from CTP source data. Read more

Characterization of Urinary Stone Composition by Use of Third-Generation Dual-Source Dual- Energy CT With Increased Spectral Separation

posted by dsct.com | May 17, 2016

Objective: The purpose of this phantom study was to determine the utility of a third-generation dual-source CT scanner with increased dual-energy spectral separation in differentiating urinary stone composition. Read more

Third-generation dual-source CT of the neck using automated tube voltage adaptation in combination with advanced modeled iterative reconstruction: evaluation of image quality and radiation dose

posted by Julian L. Wichmann, M.D. | May 13, 2016
Julian L. Wichmann, M.D.

Purpose: To evaluate image quality and radiation dose in third-generation dual-source computed tomography (DSCT) of the neck using automated tube voltage adaptation (TVA) with advanced modelled iterative reconstruction (ADMIRE) algorithm. Read more

Detection and size measurements of pulmonary nodules in ultra-low-dose CT with iterative reconstruction compared to low dose CT.

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

Background: In this study, the accuracy of ultra-low-dose computed tomography (CT) with iterative reconstruction (IR) for detection and measurement of pulmonary nodules was evaluated. Read more

Semiautomated Global Quantification of Left Ventricular Myocardial Perfusion at Stress Dynamic CT: Diagnostic Accuracy for Detection of Territorial Myocardial Perfusion Deficits Compared to Visual Assessment.

posted by Carlo Nicola De Cecco, M.D., PhD | May 6, 2016
Carlo Nicola De Cecco, M.D., PhD

Rationale and Objectives: To evaluate the diagnostic accuracy of semiautomated global quantification of left ventricular myocardial perfusion derived from stress dynamic computed tomography myocardial perfusion imaging (CTMPI) for detection of territorial perfusion deficits (PD). Read more

Approaches to ultra-low radiation dose coronary artery calcium scoring based on 3rd generation dual-source CT: A phantom study.

posted by Carlo Nicola De Cecco, M.D., PhD | May 3, 2016
Carlo Nicola De Cecco, M.D., PhD

Objectives: To investigate to what extent 3rd generation dual-source computed tomography (DSCT) can reduce radiation dose in coronary artery calcium scoring. Read more

Pal Suranyi, M.D., PhD

Assistant Professor of Radiology –
Expert in CTA, cardiac imaging

Ronald Booij

Radiographer, Research and Innovation unit CT

Thorsten R. C. Johnson, M.D.

Professor of radiology –
Expert in dual energy CT, coronary CTA, heart valves, myocardial wall motion, chest pain assessment

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