What is Dual Source Dual Energy?
Higher Power for exceptional images on virtually any patient
Approximately 65% of US adults are either overweight or obese. This presents a challenge to acquire suitable clinical images, even with the most advanced single source scanners. Dual source scanners offer up to 2600mA to handle your biggest patients. Diagnostic results regardless of a patient’s age, size, weight, physical condition, and even the surrounding circumstances directly translates into more informed decisions, and thus, into more promising patient outcomes.
Not all CT scanners are built to the same standard. Our Dual Source scanners are industry leaders with two powerful generators (up to 120kW) tuned to provide x-ray output in 10 keV steps. This enables you to offer the optimal kVp pair combination with the greatest spectral separation for each patient and scan acquisition. This is all done while offering you up to 1300 mA on each tube, an unheard of level in the industry, providing the power you need to scan patients of any size or makeup. When using other DE approaches to scan bariatric patients, image quality and spectral precision is sacrificed due to system limitations, with Dual Source Dual Energy (DSDE) you have the right balance to ensure high quality images. More importantly without providing a high dose in return 1, 2, 3
Routine DS DE Bariatric imaging >400lbs – Increase your Diagnostic confidence
425 lb patient with a Pancreatic mass that is difficult to identify on a mixed 120 kV image, but using the Monoenergetic Plus application, the mass becomes clearly visualized. Why limit your diagnosis to one way of reading the images?
Better Iodine Quantification with Greater Spectral Separation – Increase your Diagnostic confidence
The launch of the SOMATOM ® Force with its Selective Photon Shield II further established Dual Energy as a dose-neutral technology. The Selective Photon Shield filters out unnecessary photons from the high-energy X-ray tube. It permits the use of Dual Energy in daily practice at a dose comparable to a conventional 120-kV scan, with optimal spectra separation for excellent Dual Energy data quality. Up to 30% increased energy separation for better DE imaging outcomes.
“… virtual monoenergetic reconstruction at 55 keV in pancreatic DECT showed improved objective image quality and reader preference compared to routine images. As this image reconstruction can be incorporated into the scan protocol, this technique should be considered for routine clinical use.” 4
Precise DE quantification – tissue differentiation and therapy response assessment of liver cancer
Dose neutral Dual Energy, through improved iodine visualization and quantification aids in proper physician evaluation of liver lesions.
*Courtesy of University Hospital Zurich, Switzerland
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1Krauss B, Grant KL, Schmidt BT, Flohr TG. “The importance of spectral separation: an assessment of dual-energy spectral separation for quantitative ability and dose efficiency.” Invest Radiol. 2015 Feb;50(2):114-8. doi: 10.1097/RLI.0000000000000109.
2Pelgrim GJ, van Hamersvelt RW, Willemink MJ, Schmidt BT, Flohr T, Schilham A, Milles J, Oudkerk M, Leiner T, Vliegenthart R. "Accuracy of iodine quantification using dual energy CT in latest generation dual source and dual layer CT." Eur Radiol. 2017 Feb 6. doi: 10.1007/s00330-017-4752-9.
3Papadakis AE, Damilakis J. “Fast kVp-switching dual energy contrast-enhanced thorax and cardiac CT: A phantom study on the accuracy of iodine concentration and effective atomic number measurement.” Med Phys. 2017 Jun 28. doi: 10.1002/mp.12437.
4Hardie AD, Picard MM, Camp ER, Perry JD, Suranyi P, De Cecco CN, Schoepf UJ, Wichmann JL Application of an Advanced Image-Based Virtual Monoenergetic Reconstruction of Dual Source Dual Energy CT Data at Low keV Increases Image Quality for Routine Pancreas Imaging. J Comput Assist Tomogr. 2015 Jul;20