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.
Computed tomography of the (A) pre-contrast and (B) post-contrast neck. The curved arrow highlights the esophagus. Hypoattenuating, contrast-enhancing tissue obscures the mucosal tissue extending through the esophageal wall into the surrounding tissue (white chevrons). The abnormal tissue effaces the left thyroid lobe (white arrow); compare to the normal right thyroid lobe (white caret).
