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.
Ligation of spermatic vessels in varicocele. After the injection of the contrast, the vessels are filled (arterial and venous) and its correct ligature is verified, thanks to the infrared light of the fluorescence that indicates the vascular tree.
