Multi-Slice Cumputed Tomography Technical Principles, Clinical Application and Future Perspective

  • Bernd Ohnesorge
  • Christoph R. Becker
  • Thomas Flohr
  • Joost Dorgelo
  • Matthijs Oudkerk
Part of the Medical Radiology book series (MEDRAD)


Coronary artery imaging is a demanding application for any non-invasive imaging modality. On the one hand, high temporal resolution is needed to virtually freeze the cardiac motion and to avoid motion artifacts in the images. On the other hand, sufficient spatial resolution - at best sub-millimeter - is required to adequately visualize small and complex anatomical structures like the coronary arteries. The complete coronary artery tree has to be examined within one short breath-hold time to avoid breathing artifacts and to limit the amount of contrast agent if necessary. In 1984, electron beam CT (EBCT) was introduced as a non-invasive imaging modality for the diagnosis of coronary artery disease (Boyd and Liption 1982; Agatstonet al. 1990; Achenbach et al. 1998; Becker et al. 2000a). The temporal resolution of 100 ms allows for motion-free imaging of the cardiac anatomy in the diastolic heart phase even at higher heart rates. Due to the restriction to non-spiral scanning in ECG-synchronized cardiac investigations, a single breath-hold scan of the heart requires slice widths not smaller than 1.5-3 mm.


Left Anterior Descend Coronary Artery Calcium Slice Width Fast Rotation Time Left Ventricular System 
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Copyright information

© Springer-Verlag Berlin Heidelberg 2004

Authors and Affiliations

  • Bernd Ohnesorge
    • 1
  • Christoph R. Becker
    • 1
  • Thomas Flohr
    • 2
  • Joost Dorgelo
    • 3
  • Matthijs Oudkerk
    • 3
  1. 1.Siemens Medical SolutionsDivision Computed TomographyForchheimGermany
  2. 2.Department of RadiologyUniversity of Munich, Grosshadern ClinicMünchenGermany
  3. 3.Department of RadiologyUniversity Hospital of GroningenGroningenThe Netherlands

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