Aortic Unfolding

Radiologic sign
unfolded aorta
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Aortic unfolding is an abnormality visible on a chest X-ray, that shows widening of the mediastinum which may mimic the appearance of a thoracic aortic aneurysm. With aging, the ascending portion of the thoracic aorta increases in length by approximately 12% per decade, whereas the diameter increases by just 3% per decade. This elongation causes the ascending aorta to appear as a vertical shadow on the left heart border. Aortic unfolding, though not serious, should be differentiated from the more severe dissection of the aorta.[citation needed]
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Unfolding of aorta
Unfolding of the thoracic aorta
Aortic Unfolding
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