What are the clinical indications for computed tomography angiography (CTA) and magnetic resonance angiography (MRA) of the peripheral and visceral arteries?
CTA and MRA are noninvasive methods of assessing the arteries and veins, which have all but replaced catheter angiography. The clinical indications for these examinations can be thought of in the following broad areas:
- • Ischemia.
- • Aneurysm/dissection.
- • Compression syndromes.
- • Traumatic injury.
