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Thoracic Aorta and Great Vessel Anatomy
Suhny Abbara, MD, FACR, FSCCT; Michael T. Lu, MD
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TERMINOLOGY

  • Abbreviations

    • Common carotid artery (CCA)
    • Internal carotid artery (ICA)
    • External carotid artery (ECA)
    • Subclavian artery (SCA)
    • Vertebral artery (VA)
    • Sinus of Valsalva (SoV)
    • Sinotubular junction (STJ)
    • Ascending aorta (AsAo)
    • Descending thoracic aorta (DsAo)
  • Definitions

    • Aortic root
      • Anulus to STJ
    • AsAo
      • Extends up to origin of brachiocephalic trunk
    • Aortic arch or transverse aorta
      • From brachiocephalic trunk to ligamentum arteriosum
      • Ligamentum arteriosum is remnant of ductus arteriosus and typically lies immediately distal to origin of left SCA
    • Aortic isthmus
      • Segment of distal aortic arch between left subclavian origin and ligamentum arteriosum
    • DsAo
      • Ligamentum arteriosum to diaphragmatic hiatus

IMAGING ANATOMY

  • Overview

    • Anatomy Relationships

      ANATOMY IMAGING ISSUES

      • Imaging Recommendations

        • Transcatheter Aortic Valve Implantation/Replacement Assessment

          Selected References

          1. Volonghi P et al: Automatic extraction of three-dimensional thoracic aorta geometric model from phase contrast MRI for morphometric and hemodynamic characterization. Magn Reson Med. 75(2):873-82, 2016
          2. Ippolito D et al: Low kV settings CT angiography (CTA) with low dose contrast medium volume protocol in the assessment of thoracic and abdominal aorta disease: a feasibility study. Br J Radiol. 88(1049):20140140, 2015
          3. Smith CR et al: Transcatheter versus surgical aortic-valve replacement in high-risk patients. N Engl J Med. 364(23):2187-98, 2011
          4. Hiratzka LF et al: 2010 ACCF/AHA/AATS/ACR/ASA/SCA/SCAI/SIR/STS/SVM guidelines for the diagnosis and management of patients with thoracic aortic disease. Circulation. 121(13):e266-369, 2010. Erratum in: Circulation. 122(4):e410, 2010
          5. Agarwal PP et al: Multidetector CT of thoracic aortic aneurysms. Radiographics. 29(2):537-52, 2009
          6. Leipsic J et al: The evolving role of MDCT in transcatheter aortic valve replacement: a radiologists' perspective. AJR Am J Roentgenol. 193(3):W214-9, 2009
          7. Davies M et al: Developmental abnormalities of the great vessels of the thorax and their embryological basis. Br J Radiol. 76(907):491-502, 2003
          Related Anatomy
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          Related Differential Diagnoses
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          References
          Tables

          Tables

          TERMINOLOGY

          • Abbreviations

            • Common carotid artery (CCA)
            • Internal carotid artery (ICA)
            • External carotid artery (ECA)
            • Subclavian artery (SCA)
            • Vertebral artery (VA)
            • Sinus of Valsalva (SoV)
            • Sinotubular junction (STJ)
            • Ascending aorta (AsAo)
            • Descending thoracic aorta (DsAo)
          • Definitions

            • Aortic root
              • Anulus to STJ
            • AsAo
              • Extends up to origin of brachiocephalic trunk
            • Aortic arch or transverse aorta
              • From brachiocephalic trunk to ligamentum arteriosum
              • Ligamentum arteriosum is remnant of ductus arteriosus and typically lies immediately distal to origin of left SCA
            • Aortic isthmus
              • Segment of distal aortic arch between left subclavian origin and ligamentum arteriosum
            • DsAo
              • Ligamentum arteriosum to diaphragmatic hiatus

          IMAGING ANATOMY

          • Overview

            • Anatomy Relationships

              ANATOMY IMAGING ISSUES

              • Imaging Recommendations

                • Transcatheter Aortic Valve Implantation/Replacement Assessment

                  Selected References

                  1. Volonghi P et al: Automatic extraction of three-dimensional thoracic aorta geometric model from phase contrast MRI for morphometric and hemodynamic characterization. Magn Reson Med. 75(2):873-82, 2016
                  2. Ippolito D et al: Low kV settings CT angiography (CTA) with low dose contrast medium volume protocol in the assessment of thoracic and abdominal aorta disease: a feasibility study. Br J Radiol. 88(1049):20140140, 2015
                  3. Smith CR et al: Transcatheter versus surgical aortic-valve replacement in high-risk patients. N Engl J Med. 364(23):2187-98, 2011
                  4. Hiratzka LF et al: 2010 ACCF/AHA/AATS/ACR/ASA/SCA/SCAI/SIR/STS/SVM guidelines for the diagnosis and management of patients with thoracic aortic disease. Circulation. 121(13):e266-369, 2010. Erratum in: Circulation. 122(4):e410, 2010
                  5. Agarwal PP et al: Multidetector CT of thoracic aortic aneurysms. Radiographics. 29(2):537-52, 2009
                  6. Leipsic J et al: The evolving role of MDCT in transcatheter aortic valve replacement: a radiologists' perspective. AJR Am J Roentgenol. 193(3):W214-9, 2009
                  7. Davies M et al: Developmental abnormalities of the great vessels of the thorax and their embryological basis. Br J Radiol. 76(907):491-502, 2003