Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
4D-CTA image demonstrating recurrence of an arteriovenous malformation. The arrow indicates the nidus, which is fed by arterial feeders from the anterior cerebral artery. There is cortical venous drainage toward the rostral superior sagittal sinus.
