A cholesteatoma often develops as a cyst, or sac, that sheds layers of old skin. As these dead skin cells accumulate, the growth can increase in size and destroy the delicate bones of the middle ear. This may affect hearing, balance, and the function of facial muscles.
The symptoms associated with a cholesteatoma typically start out mild. They become more severe as the cyst grows larger and begins to cause problems within your ear.
• Chronic ear infections
• Sinus infections