• Wieland H. Sommer
Part of the Medical Radiology book series (MEDRAD)


Most pathologies of the aorta require multiphase MSCT-protocols, which leads to high radiation doses. Especially in patients who routinely have to undergo MSCT, like patients after endovascular aneurysm repair, dose reduction strategies are desirable. Dual Energy CT offers the possibility to create virtual non-contrast images from arterial or venous datasets and therefore decrease radiation exposure. A single phase protocol with a venous-phase CTA and a derived virtual non-contrast enhanced dataset has been evaluated in several studies for patients after endovascular aneurysm repair. Virtual non-contrast images are a reasonable approximation of true non-contrast images and can replace the latter in this patient collective. Future studies should investigate the application of virtual non-contrast images in other aortic pathologies, e.g. intramural hematoma.


Intramural Hematoma Dual Source Endovascular Aneurysm Repair Aortic Pathology Dual Source Scanner 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  1. 1.Department of Clinical RadiologyUniversity of Munich, Grosshadern HospitalMunichGermany

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