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Case: Ruling out Coronary Artery disease with 0.69 mSv

posted by Ralf Bauer, M.D. | Mar 8, 2011
Ralf Bauer, M.D.
  • Fig 1: Volume Rendered display of the major coronary arteries underlined with MPR
  • Fig 2: Caudo-Cranial view of the distal part of the RCA and PDA.
  • Fig 3: Curved planar reformatted display of the RCA.
  • Fig 4: Curved planar reformatted display of the LAD.

Coronary CTA using 100 kV tube potential and the FLASH spiral acquisition mode allowed ruling out coronary artery disease in this normal-sized adult patient with a DLP of 49 in only 0.29 s scan time without the use of beta blockers. Read more

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High-Speed, Low Radiation-Dose CT Angiography of the Chest: Performance of an Individualized, Patient-Based Contrast Media Injection Algorithm

posted by U. Joseph Schoepf, M.D. | Feb 16, 2011
U. Joseph Schoepf, M.D.

At sub-second, low radiation dose CTA of the chest, use of individualized, patient-based contrast media delivery protocols results in reliable, diagnostic contrast enhancement of all target vessels. Read more

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Case: Dual Energy Coronary CTA for Evaluation of Chest Pain after RCA Revascularization

posted by Ralf Bauer, M.D. | Feb 2, 2011
Ralf Bauer, M.D.
  • Fig. 1 Prior to recanalization: Cardiac catheterization showed a prominent RV branch and in-stent occlusion of the mid and distal RCA.
  • Fig. 2 Curved multiplanar reformates showed in-stent thrombosis with occlusion beginning in the proximal RCA. In the RV branch, which was clearly visible on pre-interventional cath images, no contrast material filling could be delineated.
  • Fig. 3 Dual Energy iodine mapping showed a large area with decreased perfusion in the arterial phase in the inferoseptal wall extending from the base to the apex of the heart.
  • Fig. 4 Late enhancement was present in the inferoseptal wall corresponding to the perfusion defect in arterial phase.

In this case, Dual Energy coronary CTA was used to image a complication of interventional recanalization, i.e. acute in-stent thrombosis, while the initial clinical diagnosis of acute aortic dissection could reliably be ruled out. Read more

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Quantitative Analysis of Myocardial Iodine Concentration during Stress and Rest Based on Dual-Energy CT – Comparison with Cardiac Perfusion MRI

posted by U. Joseph Schoepf, M.D. | Jan 27, 2011
U. Joseph Schoepf, M.D.

Using iodine concentration as a quantitative surrogate for perfusion could enhance the potential role of DECT as a stand-alone modality for integrative imaging of ischemic heart disease. Read more

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Adenosine-Stress Dual Energy CT Myocardial Perfusion Imaging with Second Generation DSCT: Correlation with Single-Photon Emission CT and Cardiac MRI

posted by U. Joseph Schoepf, M.D. | Jan 20, 2011
U. Joseph Schoepf, M.D.

Compared with SPECT, DECT showed more accurate detection rates for reversible and fixed perfusion defects seen on cMRI, and revealed higher agreement for identifying the type of perfusion defect. Read more

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Case: Diagnosis of ruptured cocaine capsules in the rectum of bodypacker

posted by Ralf Bauer, M.D. | Dec 30, 2010
Ralf Bauer, M.D.
  • Fig. 1 Cocaine capsules distributed throughout the whole gut.
  • Fig. 2 Virtual colonoscopy view.
  • Fig. 3 Virtual colonoscopy view.

With the use of DECT, the reliable diagnosis of ruptured cocaine capsule could be made and immediate medical help could be provided. Further, we are happy to be able to report as the first institute on the Dual Energy behavior of Columbian cocaine. Read more

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Case: Pediatric CT of the Chest with the FLASH Mode

posted by Sedat Alibek, M.D. | Aug 13, 2010
Sedat Alibek, M.D.
  • Tabellen_pediatric case
  • Fig. 1 15 month old boy who underwent chest CT without sedation in free breathing, which resulted in non-diagnostic images.
  • Fig. 1 15 month old boy who underwent chest CT without sedation in free breathing, which resulted in non-diagnostic images.
  • Fig. 1 15 month old boy who underwent chest CT without sedation in free breathing, which resulted in non-diagnostic images.

The World´s first pediatric patient to be scanned on a Somatom FLASH without sedation and in free breathing – in this case with 0.8 mSv. Read more

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Case: Dual Source CT for the evaluation of coronary artery abnormalities previous to reoperation of the aortic arch and known aorta dissection

posted by Ronald Booij | Aug 3, 2010
Ronald Booij
  • Fig. 1a Thorax aorta dissection
  • Fig. 1b Thorax aorta dissection
  • Fig. 2 Thorax aorta dissection

This case shows the enormous capability of the Dual Source CT and its unprecedented opportunities to get the best diagnostic result. Read more

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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

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Case: Assessment of normal lung perfusion with Flash scanning

posted by Thorsten R. C. Johnson, M.D. | Jun 15, 2010
Thorsten R. C. Johnson, M.D.
  • Fig. 1 normal lung perfusion
  • Fig. 2 normal lung perfusion
  • Fig. 3 normal lung perfusion

See pictures of a normal lung perfusion assessed with Flash scanning. Read more

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