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Thoracic Outlet
Gregory E. Antonio, MD, DRANZCR, FHKCR; Eric K. H. Liu, PhD, RDMS
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TERMINOLOGY

  • Synonyms

    • Anatomical literature refers to thoracic outlet as inferior thoracic aperture opening into abdominal cavity
      • However, in clinical medicine, thoracic outlet usually implies area at and around junction of neck and thorax
  • Definitions

    • Transition area between cervical/brachial spaces and thoracic cavity, extending from cervical spine, mediastinum to lower border of pectoralis minor muscle

IMAGING ANATOMY

  • Overview

    • Interscalene Triangle

      • Costoclavicular Space

        • Retropectoralis Minor Space

          • Superior Thoracic Aperture

            • Clinical Significance

              ANATOMY IMAGING ISSUES

              • Imaging Recommendations

                • Imaging Pitfalls

                  Related Anatomy
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                  Related Differential Diagnoses
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                  References
                  Tables

                  Tables

                  TERMINOLOGY

                  • Synonyms

                    • Anatomical literature refers to thoracic outlet as inferior thoracic aperture opening into abdominal cavity
                      • However, in clinical medicine, thoracic outlet usually implies area at and around junction of neck and thorax
                  • Definitions

                    • Transition area between cervical/brachial spaces and thoracic cavity, extending from cervical spine, mediastinum to lower border of pectoralis minor muscle

                  IMAGING ANATOMY

                  • Overview

                    • Interscalene Triangle

                      • Costoclavicular Space

                        • Retropectoralis Minor Space

                          • Superior Thoracic Aperture

                            • Clinical Significance

                              ANATOMY IMAGING ISSUES

                              • Imaging Recommendations

                                • Imaging Pitfalls