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.
Targeting of endoscopic ultrasonography-guided fine needle aspiration (EUS-FNA) with contrast-enhanced harmonic EUS (CH-EUS). Conventional EUS showed a low echoic mass (left). CH-EUS showed an enhancing and a non-enhancing area within the lesion (right). EUS-FNA (arrow) was performed with CH-EUS, avoiding the non-enhancing area (arrowheads).
