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.
Juvenile idiopathic arthritis (JIA). UHFUS gives clear details of pathological findings in pediatric patients with JIA. In (a), articular effusion (E) at the level of the metacarpal–phalangeal joint (MET-PP). In (b), osseous erosions at the level of the metacarpal head (white arrows).
