By Patricia M. Carrascosa, Ricardo C. Cury, Mario J. García, Jonathon A. Leipsic
This is the 1st textbook in DECT focussing specially at the cardiovascular box. DECT was once built a long time in the past yet has lately unfold its scientific software. Many new purposes were constructed during the last years and the cardiovascular approach has benefited from those advances. New protocols should be utilized in the close to destiny with a purpose to support to optimize effects got previously with unmarried strength CT, comparable to a extra targeted quantification of coronary artery stenosis utilizing both diverse monochromatic degrees or fabric decomposition, aid of beam hardening artifacts in perfusion reviews and optimizing endovenous distinction, between others.
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Extra resources for Dual-Energy CT in Cardiovascular Imaging
AJR. 2009;193:144–9. 9. Ruzsics B, Lee H, Powers ER, Flohr TG, Costello P, Schoepf UJ. Myocardial ischemia diagnosed by dual-energy computed tomography: correlation with single-photon emission computed tomography. Circulation. 2008;117:1244–5. 10. Schenzle JC, Sommer WH, Neumaier K, et al. Dual energy CT of the chest: how about the dose? Invest Radiol. 2010;45:347–53. 11. Bauer RW, Kramer S, Renker M, et al. Dose and image quality at CT pulmonary angiography: comparison of first and second generation dual energy CT and 64-slice CT.
Evaluation of a prototype dual energy computed tomography apparatus. I. Phantom studies. Med Phys. 1986;13(3):334–9. 2. Alvarez RE, Macovski A. Energy-selective reconstructions in X-ray computerized tomography. Phys Med Biol. 1976;21(5):633–44. 3. Goodsitt MM, Christodoulou EG, Larson SC. Accuracies of the synthesized monochromatic CT numbers and effective atomic numbers obtained with a rapid kVp switching dual energy CT scanner. Med Phys. 2011;38(4):2222–32. 4. Hounsfield GN. Computerized transverse axial scanning (tomography): part I.
G. for hip replacements  and posterior spinal fusion implants . In cardio-vascular imaging, the computation of pseudo mono-energetic images at high keV is beneficial to reduce artifacts from densely concentrated contrast material in the superior vena cava and from metal implants, such as bypass clips and sternal wires , or pacemaker leads or artificial valves, see Fig. 11. 2 Technical Aspects of Dual Energy CT with Dual Source CT Systems 23 Fig. 25 s. Left: combined low-kV/high-kV axial image and curved MPR of the LAD, corresponding to a standard 120 kV acquisition.