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.
(A) CT demonstrates cavitating otosclerosis with pericochlear cavities, one of which communicates with the internal auditory canal near the fundus (arrow). (B) Histological section of right temporal bone of another patient with comparable disease shows otosclerosis cavity (Cav) in continuity (*) with the internal auditory canal (IAC) communicating with the cerebral spinal fluid space. H&E × 8.
