CTICasesCoarctation of the Aorta
Imaging findings
Chest radiograph shows striking, symmetric rib notching along the inferior margins of the ribs, and a tortuous descending aortic outline. The patient has a history of prior childhood cardiac surgery.
Key takeaways
Rib notching is a classic radiographic sign of aortic coarctation. It represents pressure erosion from dilated, tortuous intercostal arterial collaterals that bypass the coarctation site. Sternotomy wires may indicate prior repair of associated anomalies.
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