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.
DSA of the left vertebral injection, lateral (A) and anteroposterior (B) views, and a coronal CTA image (C) from case 23 demonstrate a large unpaired thalamic perforating artery (arrows) arising from the proximal P1 segment supplying the bilateral thalami (ie, an AOP).
