An official website of the United States government
Here's how you know
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) Lateral view of the left VA angiogram shows a preocclusive concentric lesion of the intradural VA proximal to the PICA origin. B) Post PTCA and stenting angiogram reveals a restoration of the distal VA lumen with no residual stenosis.