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.
(A) Digital subtraction angiography (DSA) showed the right vertebral artery aneurysm. (B) DSA immediately after treatment showed satisfactory arterial reconstruction. (C) DSA 2 years after treatment showed aneurysm recurrence. Magnetic resonance imaging demonstrated intramural hematoma growth from before treatment (D) to 1 year (E) and 2 years (F) after.
