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
Endo T et al: Right aortic arch with an aberrant left subclavian artery: sonographic features by HDlive Flow imaging. Cardiol Young. 30(6):892-3, 2020
Sun X et al: Prenatal diagnosis of right aortic arch and aberrant left subclavian artery in association with bilateral ductus arteriosus by two-and four-dimensional echocardiography: a case of rare vascular ring and review of literature. J Matern Fetal Neonatal Med. 1-6, 2020
Veger HTC et al: Right-sided aortic arch with aberrant branch vessels. Vasc Endovascular Surg. 54(7):660, 2020
Hanneman K et al: Congenital variants and anomalies of the aortic arch. Radiographics. 37(1):32-51, 2017
Tamayo-Espinosa T et al: [Right-side aortic arch with aberrant left subclavian artery and Kommerell's diverticulum. A cause of vascular ring.] Arch Cardiol Mex. 87(4):345-8, 2017
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
Kir M et al: Vascular rings: presentation, imaging strategies, treatment, and outcome. Pediatr Cardiol. 33(4):607-17, 2012
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
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
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
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
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
Endo T et al: Right aortic arch with an aberrant left subclavian artery: sonographic features by HDlive Flow imaging. Cardiol Young. 30(6):892-3, 2020
Sun X et al: Prenatal diagnosis of right aortic arch and aberrant left subclavian artery in association with bilateral ductus arteriosus by two-and four-dimensional echocardiography: a case of rare vascular ring and review of literature. J Matern Fetal Neonatal Med. 1-6, 2020
Veger HTC et al: Right-sided aortic arch with aberrant branch vessels. Vasc Endovascular Surg. 54(7):660, 2020
Hanneman K et al: Congenital variants and anomalies of the aortic arch. Radiographics. 37(1):32-51, 2017
Tamayo-Espinosa T et al: [Right-side aortic arch with aberrant left subclavian artery and Kommerell's diverticulum. A cause of vascular ring.] Arch Cardiol Mex. 87(4):345-8, 2017
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
Kir M et al: Vascular rings: presentation, imaging strategies, treatment, and outcome. Pediatr Cardiol. 33(4):607-17, 2012
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
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
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
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
Simoneaux SF et al: MR imaging of the pediatric airway. Radiographics. 15(2):287-98; discussion 298-9, 1995
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