Surg. [f. as prec.: see -TOMY.] The operation of cutting or opening the vestibule of the ear.

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1908.  Lancet, 9 May, 1341/2. We have come to regard inferior vestibulotomy as a good and adequate means of draining the vestibule in cases of infection…. Double vestibulotomy was performed with partial removal of the cochlea.

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