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 sonogram (A) shows a calcified nodule (18 mm) with a lobulated contour (arrowheads) and interruption (arrow) of the anterior margin. The posterior margin of the calcified nodule is not visualized by strong posterior acoustic shadowing on transverse or longitudinal ultrasonography (A, B).
