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 greyscale sonogram in a patient with carcinoma of the larynx shows a hypoechoic metastatic lymph node in the internal jugular chain. The lymph node is round in shape with absence of echogenic hilus. The borders of the lymph node are ill defined indicating extracapsular spread (arrows). Note the tumour invasion into the adjacent soft tissues (arrowheads).
