CTICasesAortic interruption
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Imaging findings
Widened mediastinum, rib notching, and extensive collateral vessels supplying the descending aorta. The descending aorta does not attach to the aortic arch, consistent with type A aortic interruption.
Key takeaways
Aortic interruption is a rare congenital anomaly characterized by the absence of continuity between the aortic arch and the descending aorta, requiring development of extensive collateral circulation. It is classified by the location of the break.
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