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There are many types of Aortic Aneurysms, the two major types are:

1. TAA: thoracic aortic aneurysm, may further be sub-classified based on location:
   1. Ascending aortic aneurysm
   2. Aortic arch aneurysm
   3. Descending aortic aneurysm
   4. Aneurysm that straddles multiple portions of the aorta (i.e. from aortic arch to descending aorta)

1. AAA: abdominal aortic aneurysm, may further be:
   1. Above the renal artery
   2. Below the renal artery
   3. In the renal artery

You don’t know if someone has aortic aneurysms. You may do screening tests based on family history. Sometimes, some symptoms may be experienced such as back pain, chest pain, pain in the lower abdomen that may be indicative of aortic aneurysm. If someone does have TAA, the possibility of synchronous and metachronous TAAs may be present. So you look at both chest and abdomen. If AAA is present but TAA is not, you make a note too.

Case 1 - Subject has both TAA and AAA

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