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.
Bilateral cavitary plaques. Axial (top row) and coronal (bottom row) CT show presence of abnormal CSF-attenuating focal lesions (arrows) involving the anterior and inferior wall of the IAC next to the basal turn of the cochlea. Additionally, there are noncavitary plaques (arrowheads) around the cochlea on the right (A, C) and at the fissula ante fenestram on the left (B, D).
