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.
An example illustrating the fuzzy appearance of an orbital abscess depicted on CT images. Red arrows indicate the orbital abscess. Green and yellow arrows indicate regions that have a similar appearance but are not orbital abscesses. (A) and (B) showed the images at different window/level values.
