Fig. 3.
Arterial Spin Labeling (ASL) perfusion images on the final 3 exams demonstrate cerebral hypoperfusion (a) evolving to hyperperfusion (b and c).
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.