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Medical Imaging


• Lesion Characterization — The development of advanced dual- energy CT imaging, known as Gemstone Spectral Imaging, now enables physicians to use two different energies to more accu- rately identify and quantify mate- rials such as calcium, water and iodine within the body. One major clinical advantage of this break- through capability is to aid in the characterization of lesions, help- ing clinicians determine whether lesions are growing. A leading HD CT system, such


as the Discovery™ CT750 HD from GE Healthcare, offers clinicians high quality images at reduced dose levels in a variety of demanding clinical environments. Typically, lowering the dose during


CT imaging can lead to increased noise and image artifacts, creating a trade-off between achieving high image quality and low dose. To over- come this limitation, GE’s Discovery CT750 HD system offers GE’s latest advanced reconstruction techniques — including Adaptive Statistical Iter- ative Reconstruction (ASiR™ 4,5 Veo™ 3,4,5,


HD CT offers clinicians high quality images at reduced dose levels in a variety of demanding clinical environments.


capabilities and enhance patient care.


Asia HealthPartners (AHP), a medi-


cal centre based in Singapore, has committed to improving low dose management while maintaining high image quality by becoming the first clinical facility in the world to install Veo on the GE Discovery CT 750 HD system. Veo helps physicians deliver high resolution images with improved low contrast detectability and artifact suppression at significantly lower dose.4 Through this precedent-setting


) and the world’s first commercial


Model-based Iterative Reconstruction technique. Specifically designed to enhance image quality and increase low contrast detectability while suppressing image noise, ASiR tech- nology opens up the possibilities for significant dose reduction while maintaining diagnostic imaging qual- ity. Veo has the potential to “change the game” by complementing ASiR and allowing for even greater dose reduction potential while maintain- ing image quality.


Advanced CT technology in practice in Asia Increasingly, medical practices across the Asia Pacific region are beginning to collaborate with leading global healthcare solutions providers to improve their diagnostic imaging


42 INSIGHT ON


HOSPITAL & HEALTHCARE MANAGEMENT Vol. 1 Issue 2 August 2011


technological adoption, AHP can now offer advanced CT diagnostic capabil- ities for patients of all ages in a vari- ety of clinical settings. This marks a major milestone not only for AHP, but for the Asian region as well — as the Asian medical community continues to develop new, non-invasive diag- nostic procedures and improved CT dose management. As technological breakthroughs


in CT imaging continue to evolve, healthcare professionals will continue to employ the latest advances in diag- nostic imaging, including low dose HD scanning, to best serve patients.


References: 1. G lobal Industry Analysts, Inc. "Com- puted Tomography (CT) Scanners: A Global Strategic Business Report”, January 2011.


2. Food and Drug Administration, “FDA working to prevent radiation overdoses


Shinya Kinuta is the General Manager of Computed Tomography in Asia Pacific for GE Healthcare, based out of Tokyo, Japan. In this role, he is responsible for marketing and commercial operations for CT and Advantage Workstation in Asia Pacific, providing world-leading diagnostic imaging solutions to healthcare professionals across diverse markets.


during CT scans”, November 2010. http://www.fda.gov/NewsEvents/News- room/PressAnnouncements/2010/ ucm233245.htm 3. Veo may not be commercially available in certain markets. Veo is 510(k) pend- ing. Please check with your local GE office for more information. 4. In clinical practice, the use of ASiR and Veo may reduce CT patient dose depending on the clinical task, patient size, anatomical location and clinical practice. A consultation with a radiolo- gist and a physicist should be made to determine the appropriate dose to obtain diagnostic image quality for the particular clinical task. 5. Image quality as measured by pixel standard deviation.


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