R. NICKBRYANMDS. JAMESZINREICHMD
The term cholesteatoma is used to describe a cavity lined with squamous epithelium and filled with desquamated keratin. Histopathologically, it resembles an epidermal cyst or a keratoma. By definition, an aural cholesteatoma originates in the middle ear or other pneumatized areas of the temporal bone.1 Typically, it enlarges over time owing to the continuing desquamation and entrapment of epithelial debris within the cholesteatoma sac.
Diagnosis Radiology Quiz 1. Arch Otolaryngol Head Neck Surg. 2002;128(9):1105-1106. doi: