So the other thing we should set you up with when reading round the site is that DAVFs are classified differently from brain AVMs, perhaps exactly because of what @John_H says: that the risks are more around the impact of the AVF rather than the complexity of intervention.
The scale used tends to be the Borden or Cognard scales:
My doc never told me his classification of my DAVF but the impression I got was that even though it appeared on my MRI as a simple white dot – it was pretty much a straight shunt of blood from artery into my right transverse sinus – it was the amount of blood being diverted that he was interested in rather than the size per se. I think mine was classified as type IIa/b.
So don’t go round reading others’ stories about Spetzler-Martin grades because I don’t think that’s relevant to you if yours is in the dura mater.
And so far, catheter embolization seems to be the most common approach to resolve a DAVF, so if that’s what comes out of the recommendations, we can talk to you about what that is as well. I’d describe an embolization as very gettable-throughable!
Very best wishes,
Richard