MDCT pp 225-235 | Cite as

MDCT Angiography of the Thoracic Aorta

  • Geoffrey D. Rubin
  • Mannudeep K. Kalra


Multidetector computed tomography angiography (MDCTA) is a nonivasive and accurate technique for assessment of many thoracic aortic abnormalities. It offers several advantages over conventional aortography for evaluation of the thoracic aorta. State-of-the-art MDCT scanners, with improved temporal and isotropic resolution, enable volumetric acquisition that provides clear anatomic delineation of thoracic aorta, its tortuous branches, and adjacent aneurysms and pseudo aneurysms. In contrast with the projectional technique of conventional aortography, these frequently overlapping structures can affect visualization and delineation of anatomic relationships. In addition, MDCTA allows simultaneous delineation of true and false luminal flow channels in thoracic aortic dissections, intramural hematomas communicating with the aortic lumen, slow perigraft blood flow around aortic stent grafts, as well as direct visualization of the aortic wall and noncommunicating intramural hematomas. This chapter reviews techniques for acquisition and interpretation of thoracic aortic MDCTA and describes abnormalities in which MDCTA provides valuable information.


Aortic Dissection Thoracic Aorta Volume Rendering False Lumen Intramural Hematoma 
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 Italia 2008

Authors and Affiliations

  • Geoffrey D. Rubin
    • 1
  • Mannudeep K. Kalra
    • 2
  1. 1.Department of RadiologyStanford University School of MedicineStanfordUSA
  2. 2.Department of RadiologyMassachusetts General HospitalBostonUSA

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