Presentation
Pre-operative chest X-ray.
Patient Data
Age: 35 years
Gender: Female
From the case:
Coarctation of the aorta
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Lungs clear, cardiac silhouette normal in size. There is posterior notching of the posterior and inferior ribs and a "figure 3" sign.
From the case:
Coarctation of the aorta
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Dilated ascending aorta with aortic coarctation just distal to the left subclavian artery origin. Dilated internal mammary and intercostal arteries.
Case Discussion
Good example of plain radiographic signs (figure 3 and rib notching) of coarctation of the aorta and CT findings showing dilated collateral vessels (internal mammary and posterior intercostal). Be sure to look at the dilated posterior intercostal arteries on the coronal CT scan that nicely illustrate how rib notching occurs.
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