How do you decide when to intervene directly on a feeder artery aneurysm of an AVM?

Flow-related peri-nidal aneurysms can occur in a few different scenarios, which play an outsized role in determining management. These aneurysms can be located intra-nidal, or can be remote. They can also be detected through routine imaging, but can also present as having ruptured.

AVM hemorrhage is...