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Single- and dual-energy CT of the abdomen: comparison of radiation dose and image quality of 2nd and 3rd generation dual-source CT.

posted by Carlo Nicola De Cecco, M.D., PhD | Jun 28, 2016
Carlo Nicola De Cecco, M.D., PhD

Objectives: To compare single-energy (SECT) and dual-energy (DECT) abdominal CT examinations in matched patient cohorts regarding differences in radiation dose and image quality performed with second- and third-generation dual-source CT (DSCT). Read more

Individualized CT Angiography Protocols for the Evaluation of the Aorta: A Feasibility Study

posted by Marco Das, M.D. | Jun 24, 2016
Marco Das, M.D.

Purpose: Ionizing radiation and iodinated contrast media are potential drawbacks to repetitive follow-up CT angiography in current practice. The aim of the present study was to optimize radiation dose and contrast agent volume by using individualized CT angiography protocols. Read more

Case: Evaluation of Williams-Beuren Syndrome in a Two-month-old Child using a Single Rotation Scan Mode

posted by dsct.com | Jun 21, 2016

CT scans are routinely used for cardiovascular evaluations. In this case, the CT images clearly showed a significant stenosis of the ascending aorta directly above the aortic root. Read more

Coronary CT angiography derived morphological and functional quantitative plaque markers correlated with invasive fractional flow reserve for detecting hemodynamically significant stenosis.

posted by U. Joseph Schoepf, M.D. | Jun 14, 2016
U. Joseph Schoepf, M.D.

Objective: Compare morphological and functional coronary plaque markers derived from coronary CT angiography (CCTA) for their ability to detect lesion-specific ischemia. Read more

Case: Discovery of a Type II Endoleak after EVAR in a Patient with Renal Insufficiency using Dynamic 4D CT Angiography

posted by DSCT.com editors | Jun 10, 2016
DSCT.com editors

A 72-year-old male patient with poor kidney function (GFR 40 mL/min) was admitted to the hospital with a suspected endoleak after an endovascular aneurysm repair (EVAR) of the abdominal aorta. A dynamic 4D CT angiography (CTA) was requested to confirm the endoleak and to specify its type. Read more

Optimization of window settings for virtual monoenergetic imaging in dual-energy CT of the liver: A multi-reader evaluation of standard monoenergetic and advanced imaged-based monoenergetic datasets.

posted by Carlo Nicola De Cecco, M.D., PhD | Jun 7, 2016
Carlo Nicola De Cecco, M.D., PhD

Objectives: To evaluate optimal window settings for display of virtual monoenergetic reconstructions in third-generation dual-source, dual-energy computed tomography (DECT) of the liver. Read more

A noise-optimized virtual monochromatic reconstruction algorithm improves stent visualization and diagnostic accuracy for detection of in-stent re-stenosis in lower extremity run-off CT angiography.

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

Purpose: To evaluate the impact of noise-optimized virtual monochromatic imaging (VMI+) on stent visualization and accuracy for in-stent re-stenosis at lower extremity dual-energy CT angiography (DE-CTA). Read more

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