Aortic unfolding
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.[1]
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. Unfolding is often associated with aortic calcification which implies aortic degeneration and hypertension. [2]
References
- ^ O'Rourke, Michael; Farnsworth, Alan; O'Rourke, John (2008). "Aortic Dimensions and Stiffness in Normal Adults". J Am Coll Cardiol Img. 1 (6): 749–751. doi:10.1016/j.jcmg.2008.08.002. PMID 19356511.
- ^ Sugawara, Jun (2008). "Age-Associated Elongation of the Ascending Aorta". Adults J Am Coll Cardiol Img. 1 (6): 739–748. doi:10.1016/j.jcmg.2008.06.010. PMID 19356510.
- v
- t
- e
Radiologic signs
- Aortic unfolding
- Dense artery sign
- Halo sign
- Air crescent sign
- Deep sulcus sign
- Golden S sign
- Hampton hump
- Kerley lines
- Peribronchial cuffing
- Sail sign of the chest
- Silhouette sign
- Steeple sign
- Thumbprint sign
- Traction bronchiectasis
- Tree-in-bud sign
- Westermark sign
![]() | This medical sign article is a stub. You can help Wikipedia by expanding it. |
- v
- t
- e
![]() | This article related to medical imaging is a stub. You can help Wikipedia by expanding it. |
- v
- t
- e