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Cholesteatoma
Cholesteatoma is defined as a cystic bag-like structure filled with desquamated squamous debris lying on a fibrous matrix, also known as "skin in the wrong place." It can be congenital or acquired. Acquired cholesteatomas are either primary, with unknown etiology, or secondary caused by acute necrotizing otitis media. Evaluation involves history, examination, audiometry and CT scan to determine extent. Surgical treatment aims to eradicate the cholesteatoma while preserving hearing, with options like canal wall up or down mastoidectomy depending on the case. Complications can include infection, bone destruction, hearing loss and facial nerve paralysis if
