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Right Arch With Aberrant Left Subclavian Artery
Prakash M. Masand, MD
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KEY FACTS

  • Imaging

    • Pathology

      • Clinical Issues

        • Diagnostic Checklist

          TERMINOLOGY

          • Definitions

            • Aortic arch lies to right of trachea [right aortic arch (RAA)] & aberrant left subclavian artery (ALSCA) originates from proximal descending aorta to course behind esophagus

          IMAGING

          • General Features

            • Radiographic Findings

              • Fluoroscopic Findings

                • CT Findings

                  • MR Findings

                    • Echocardiographic Findings

                      • Imaging Recommendations

                        DIFFERENTIAL DIAGNOSIS

                          PATHOLOGY

                          • General Features

                            CLINICAL ISSUES

                            • Presentation

                              • Demographics

                                • Natural History & Prognosis

                                  • Treatment

                                    DIAGNOSTIC CHECKLIST

                                    • Consider

                                      Selected References

                                      1. Luciano D et al: Kommerell diverticulum should be removed in children with vascular ring and aberrant left subclavian artery. Ann Thorac Surg. 100(6):2293-7, 2015
                                      2. Kir M et al: Vascular rings: presentation, imaging strategies, treatment, and outcome. Pediatr Cardiol. 33(4):607-17, 2012
                                      3. Ruzmetov M et al: Follow-up of surgical correction of aortic arch anomalies causing tracheoesophageal compression: a 38-year single institution experience. J Pediatr Surg. 44(7):1328-32, 2009
                                      4. Ramaswamy P et al: Frequency of aberrant subclavian artery, arch laterality, and associated intracardiac anomalies detected by echocardiography. Am J Cardiol. 101(5):677-82, 2008
                                      5. Cina CS et al: Kommerell's diverticulum and right-sided aortic arch: a cohort study and review of the literature. J Vasc Surg. 39(1):131-9, 2004
                                      6. Donnelly LF et al: Aberrant subclavian arteries: cross-sectional imaging findings in infants and children referred for evaluation of extrinsic airway compression. AJR Am J Roentgenol. 178(5):1269-74, 2002
                                      7. Simoneaux SF et al: MR imaging of the pediatric airway. Radiographics. 15(2):287-98; discussion 298-9, 1995
                                      Related Anatomy
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                                      Related Differential Diagnoses
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                                      References
                                      Tables

                                      Tables

                                      KEY FACTS

                                      • Imaging

                                        • Pathology

                                          • Clinical Issues

                                            • Diagnostic Checklist

                                              TERMINOLOGY

                                              • Definitions

                                                • Aortic arch lies to right of trachea [right aortic arch (RAA)] & aberrant left subclavian artery (ALSCA) originates from proximal descending aorta to course behind esophagus

                                              IMAGING

                                              • General Features

                                                • Radiographic Findings

                                                  • Fluoroscopic Findings

                                                    • CT Findings

                                                      • MR Findings

                                                        • Echocardiographic Findings

                                                          • Imaging Recommendations

                                                            DIFFERENTIAL DIAGNOSIS

                                                              PATHOLOGY

                                                              • General Features

                                                                CLINICAL ISSUES

                                                                • Presentation

                                                                  • Demographics

                                                                    • Natural History & Prognosis

                                                                      • Treatment

                                                                        DIAGNOSTIC CHECKLIST

                                                                        • Consider

                                                                          Selected References

                                                                          1. Luciano D et al: Kommerell diverticulum should be removed in children with vascular ring and aberrant left subclavian artery. Ann Thorac Surg. 100(6):2293-7, 2015
                                                                          2. Kir M et al: Vascular rings: presentation, imaging strategies, treatment, and outcome. Pediatr Cardiol. 33(4):607-17, 2012
                                                                          3. Ruzmetov M et al: Follow-up of surgical correction of aortic arch anomalies causing tracheoesophageal compression: a 38-year single institution experience. J Pediatr Surg. 44(7):1328-32, 2009
                                                                          4. Ramaswamy P et al: Frequency of aberrant subclavian artery, arch laterality, and associated intracardiac anomalies detected by echocardiography. Am J Cardiol. 101(5):677-82, 2008
                                                                          5. Cina CS et al: Kommerell's diverticulum and right-sided aortic arch: a cohort study and review of the literature. J Vasc Surg. 39(1):131-9, 2004
                                                                          6. Donnelly LF et al: Aberrant subclavian arteries: cross-sectional imaging findings in infants and children referred for evaluation of extrinsic airway compression. AJR Am J Roentgenol. 178(5):1269-74, 2002
                                                                          7. Simoneaux SF et al: MR imaging of the pediatric airway. Radiographics. 15(2):287-98; discussion 298-9, 1995