CTICasesDouble Aortic Arch with Atretic Segment
Imaging findings
The patient has a right aortic arch with an aberrant left subclavian artery and a left ductus. The branching of the four arch vessels is symmetrical.
Key takeaways
According to the Edwards hypothetical double arch model, the symmetry of the four branching vessels strongly suggests this is actually a double aortic arch with an atretic segment, rather than a simple right arch with an aberrant vessel.
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