Surgery>>>>>Thoracic Aneurysms and Aortic Dissection
Question 1#

The type of thoracic aortic aneurysm characterized by an outpouching of the aorta is:

a. Fusiform
b. Saccular
c. Pseudoaneurysm
d. None of the above

Correct Answer is B


Aortic aneurysms can be either "true" or "false:' True aneurysms can take two forms: fusiform and saccular. Fusiform aneurysms are more common and can be described as symmetrical dilatations of the aorta. Saccular aneurysms are localized outpouchings of the aorta. False aneurysms, also called pseudoaneurysms, are leaks in the aortic wall that are contained by the outer layer of the aorta and/ or the periaortic tissue; they are caused by disruption of the aortic wall and lead blood to collect in pouches of fibrotic tissue.