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.
Initial cerebral angiography (A) and three-dimensional computed tomography angiography (B), demonstrating azygous anterior cerebral artery (ACA), large multi-lobulated saccular aneurysm at junction of azygous ACA and bilateral pericallosal arteries.
