Thoracic aortic dilatation (differential)

Last revised by Yuranga Weerakkody on 12 Nov 2022

There is a broad differential for thoracic aortic dilatation.

There are a number of mimics of thoracic aortic dilatation:

Note: the thoracic aorta is not normally seen on frontal chest radiograph in patients <40 years of age.

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Cases and figures

  • Case 1: senile ectasia
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  • Case 2: aortic dissection
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  • Case 4: aortic arch aneurysm
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  • Case 5: aneurysm on chest radiograph
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