Chapter 19: Diseases of the Eyes, Ears, Nose, and Throat

The posterior superior canal wall was curetted down after mobilizing the chorda tympani nerve, which was left intact. The stapes footplate was easily visualized and found to be markedly thickened. The pyramidal process was identified and the stapes tendon cut, and an IS joint knife was used to dislocate the joint between the incus and stapes. ................
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