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A mastoidectomy is performed exposing the semicircular canals, venous sinus, and facial nerve. The tumor is deep to the facial nerve and extends into the middle ear. The facial nerve may have to mobilized out of the way in order to remove the tumor.
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A mastoidectomy is performed exposing the semicircular canals, venous sinus, and facial nerve. The tumor is deep to the facial nerve and extends into the middle ear. The facial nerve may have to mobilized out of the way in order to remove the tumor.
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