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What is Radical mastoidectomy includes all except and explain in detail?
It is an operation to eradicate disease of the middle ear and mastoid in which mastoid, middle ear, attic and the antrum are exteriorized into the external ear by removal of posterior meatal wall. All remnants of tympanic membrane, malleus, incus (not the stapes), chorda tympani and the mucoperiosteal lining are removed, and the opening of eustachian tube closed by packing a piece of muscle or cailage into the eustachian tube. Ref: Dhingra 7e pg 459.