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.
Ultrasound image (a) demonstrating a soft tissue groin abscess in an intravenous drug user following subcutaneous injection. An ovoid relatively well-defined anechoic subcutaneous collection is demonstrated with internal echoes consistent with a complex soft tissue abscess. Image (b) shows ultrasound-guided aspiration of a soft tissue abscess. A linear hyperechoic needle is visualised with the tip lying within the abscess cavity
