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.
Preoperative tumor embolization. A : The digital subtraction angiography (DSA) shows a hypervascular contrast staining mass with an arterial feeder from the MCA and PCA. B : The postembolic DSA shows near total occlusion of the feeding arteries and decreased size of the contrast staining mass.
