Which is a benign, slow-growing mass in the middle ear composed of cholesterol deposits and epithelial cells?
A) cholesteatoma
B) serous otitis media
C) suppurative otitis media
D) cochlear implant
A
Explanation: A) Correct!
B) Serous otitis media is in the middle ear, but it has clear fluid, not cholesterol deposits.
C) Suppurative otitis media is in the middle ear, but it has pus, not cholesterol deposits.
D) A cochlear implant is a device, not a disease.
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