A degenerative breakdown of collagen, elastin, and smooth muscle caused by aging contributes to weakening of the wall of the artery. In the aorta, this can result in the formation of a fusiform aneurysm. There is also increased risk of aortic dissection.
Familial thoracic aortic aneurysm
Familial aortic dissection
Takayasu's arteritis
Inflammatory aortic aneurysm
Thoracic aortic aneurysm
Fibromuscular dysplasia
Arterial tortuosity syndrome
Coarctation of the aorta