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Circumflex Aortic Arch

Circumflex Aortic Arch▶ Watch on YouTube — age-restricted, cannot embed here

Imaging findings

Right-sided aortic arch with mirror-image branching and descent on the left, consistent with a circumflex aortic arch.

Key takeaways

A circumflex aortic arch is a rare vascular anomaly characterized by a right-sided arch that crosses posterior to the esophagus and descends on the left side, which may be under-recognized.

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