Thoracic aortic aneurysm
From Radipedia
- Diameter > 3.5 cm is dilated, > 4.5 cm is aneurysmal
- Typically repair if ascending > 5.5 cm or descending > 6.5 cm
- Ascending: family history, Marfan syndrome, mycotic aneurysm
- Aortic arch: Takayasu arteritis and Atherosclerosis
- Descending: Atherosclerosis, hypertension, smoking, hyperlipidemia, diabetes