Does anyone know why an avm decides to come back after 10 years? Also, I live in Kansas, but close to Missouri, are there any doctors around here who can help me? I'm hoping they have made some advancements over the past decade. I had embolization followed by surgery...which was awful! I have some facial paralysis (mostly a lazy, slanted smile) as a result of the surgery, and now to think I have to do a repeat performance is scary!