Brachial artery pseudoaneurysm

We have some very interesting images for you but, can you answer the questions below?

1. What is the difference between an aneurysm and pseudoaneurysm?
2. What are the usual causes of pseudoaneurysm?
3. How might a fracture result in vascular injury?

If you don’t know the answers or want to know more read ’Brachial artery pseudoaneurysm’