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Dual energy CTA of the supraaortic arteries: technical improvements with a novel dual source CT system

posted by Michael M. Lell, M.D. | Jan 30, 2012
Michael M. Lell, M.D.

We sought to describe the performance of DE-CTA of the supraaortic vessels with a novel dual source CT system with special emphasis on image quality and post-processing related artifacts. Read more

Case: Low dose Choan Atresia in 3-day-old girl

posted by Ronald Booij | Nov 28, 2011
Ronald Booij
  • Low dose Choan Atresia in 3-day-old girl
  • Fig. 1 VRT shows agenesis of right nostril
  • Fig. 2 VRT image fused with MPR
  • Fig. 3 Aplasia of the entire right nasal passage without etmoid cells and conchae at all levels

Scan was performed without anaesthesia in a vacuum mattress with low pitch and rotation time of 1 second. Read more

Image Quality and Radiation Dose of Dual-Energy CT of the Head and Neck Compared with a Standard 120-kVp Acquisition

posted by Josef Matthias Kerl, M.D. | Nov 7, 2011
Josef Matthias Kerl, M.D.

The aim of this work was to compare image quality and radiation dose between a DE-derived WA image dataset and a standard SECT acquisition of the H&N. Read more

Dual-Energy CT of Head and Neck Cancer: Average Weighting of Low- and High-Voltage Acquisitions to Improve Lesion Delineation and Image Quality-Initial Clinical Experience

posted by Josef Matthias Kerl, M.D. | Jul 22, 2011
Josef Matthias Kerl, M.D.

The aim of this work was to evaluate whether average weighting of DECT acquisitions could improve delineation of head and neck cancer and image quality. Read more

Automatic bone and plaque removal using dual energy CT for head and neck angiography: feasibility and initial performance evaluation

posted by Martin Heuschmid, M.D. | Jun 20, 2011
Martin Heuschmid, M.D.

We sought to evaluate the feasibility and efficiency of dual energy (DE) bone and plaque removal in head and neck CT angiography. Read more

Low-dose CT of the paranasal sinus and facial skull using a high-pitch dual-source system – First clinical results

posted by Josef Matthias Kerl, M.D. | Jan 11, 2011
Josef Matthias Kerl, M.D.

Objective CT of the paranasal sinus is the standard diagnostic tool for a wide range of indications in mostly younger patients. This study aims to assess the image quality of CT of the sinus by using a high-pitch dual-source technique with special regard to the radiation dose. Methods Examinations were performed … Read more

Which scanner: GE CT750 or the Siemens Flash?

posted by Savvas Nicolaou, M.D. | Jul 7, 2010
Savvas Nicolaou, M.D.

The following question has been sent by John Phillips: Which scanner: Which is the more advanced and best all around scanner….the GE CT750 or the Siemens Flash? If you could only buy one as your only scanner which would you buy? Are there any “must have” options? Savvas Nicolaou,  MD, Vancouver General … Read more