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.
Transverse ultrasound of the shoulder joint showing the echogenic tip of the coaxial needle (arrow) just piercing the thickened synovium (arrowheads). The tip of the coaxial system should be left at the outer margin of the thickened synovium to facilitate subsequent repositioning.
