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.
Longitudinal (A) and transverse (B) scans of the superficial femoral vein of case 15 by ultrasonography. Thromboses (arrow) are shown in the vein. The vessel is narrowed and the diameter of the vessel is 2.7 mm. SFV: superficial femoral vein.
