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Left-sided Aortic Arch with an Aberrant Right Subclavian Artery

Shogan PJS - MedPix (2008)

View Article: MedPix Image - MedPix Case

Affiliation: Uniformed Services University

ABSTRACT

Diagnosis: Left-sided Aortic Arch with an Aberrant Right Subclavian Artery

History: 60 year old male with complaint of tachypnea and tachycardia with high clinical concern for pulmonary embolus.

Findings: Chest Radiography: : Lateral chest radiograph demonstrates soft tissue density superior to the aortic arch causing anterior displacement of the trachea. Contrast Enhanced CT: The origin of the anomalous artery is evident arising from the posterior superior aortic arch as the last branching vessel of a left-sided aortic arch passing posteriorly to the esophagus in the retrotracheal space. At a level 1 cm superior to the aortic arch, the aberrant right subclavian artery is located ascending posteriorly in the right superior mediastinum. Maximal intensity projection demonstrates the aberrant right subclavian artery arising from the medial wall of the aorta as the last branching vessel, passing posterior to the esophagus, and ascending anterolaterally to the spine into the thoracic inlet.

Dxhow: Imaging findings are characteristic.

No MeSH data available.


At a level 1 cm superior to the aortic arch, the aberrant right subclavian artery is located ascending posteriorly in the right superior mediastinum.
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MPX2592_synpic41580: At a level 1 cm superior to the aortic arch, the aberrant right subclavian artery is located ascending posteriorly in the right superior mediastinum.


Left-sided Aortic Arch with an Aberrant Right Subclavian Artery

Shogan PJS - MedPix (2008)

At a level 1 cm superior to the aortic arch, the aberrant right subclavian artery is located ascending posteriorly in the right superior mediastinum.
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=MPX2592&req=5

MPX2592_synpic41580: At a level 1 cm superior to the aortic arch, the aberrant right subclavian artery is located ascending posteriorly in the right superior mediastinum.

View Article: MedPix Image - MedPix Case

Affiliation: Uniformed Services University

ABSTRACT

Diagnosis: Left-sided Aortic Arch with an Aberrant Right Subclavian Artery

History: 60 year old male with complaint of tachypnea and tachycardia with high clinical concern for pulmonary embolus.

Findings: Chest Radiography: : Lateral chest radiograph demonstrates soft tissue density superior to the aortic arch causing anterior displacement of the trachea. Contrast Enhanced CT: The origin of the anomalous artery is evident arising from the posterior superior aortic arch as the last branching vessel of a left-sided aortic arch passing posteriorly to the esophagus in the retrotracheal space. At a level 1 cm superior to the aortic arch, the aberrant right subclavian artery is located ascending posteriorly in the right superior mediastinum. Maximal intensity projection demonstrates the aberrant right subclavian artery arising from the medial wall of the aorta as the last branching vessel, passing posterior to the esophagus, and ascending anterolaterally to the spine into the thoracic inlet.

Dxhow: Imaging findings are characteristic.

No MeSH data available.