Thoracic Aortic Aneurysms, Fistula, and Thrombus

  • Maria Cristina Firetto
  • Marcello Petrini
  • Francesco Sala
  • Maurizio Domanin
  • Giovanni Terribile
  • Pietro Raimondo Biondetti
Part of the Medical Radiology book series (MEDRAD)


Thoracic aortic aneurysms (TAAs) are abnormal dilatation occurring in the thoracic aorta. They can be classified according to location, morphology, and etiology. TAAs can be divided into true aneurysms and false aneurysms (also called pseudoaneurysms). True aneurysms are usually associated with fusiform dilatation of the aorta and most commonly due to atherosclerosis. False aneurysms are typically saccular with a narrow neck and most commonly due to trauma, penetrating atherosclerotic ulcers, or infections (mycotic aneurysm). Atherosclerosis, genetic causes, aortitis, trauma, and dissection can be the causes of TAAs. MDCT allows the evaluation of TAAs in terms of morphologic features, extent, and signs of instability or impending rupture. Acute aortic thrombosis and aortic fistula with esophagus or bronchi are rare but life-threatening complications of aortic disease. Imaging findings may be subtle.


Aortic Arch Aortic Aneurysm Thoracic Aorta Aortic Wall Giant Cell Arteritis 
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 International Publishing Switzerland 2016

Authors and Affiliations

  • Maria Cristina Firetto
    • 1
  • Marcello Petrini
    • 2
  • Francesco Sala
    • 3
  • Maurizio Domanin
    • 1
  • Giovanni Terribile
    • 1
  • Pietro Raimondo Biondetti
    • 1
  1. 1.Fondazione IRCCS Ca’ GrandaOspedale Maggiore PoliclinicoMilanItaly
  2. 2.Università degli Studi di Milano, Postgraduation School in RadiodiagnosticsMilanItaly
  3. 3.Department of RadiologyA.O. Papa Giovanni XXIIIBergamoItaly

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