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modified radical mastoidectomy


Definition: an operation for the management of cholesteatoma that lies lateral to the remnant of the tympanic membrane and middle-ear ossicles; involves exenteration of the remaining air cells of the mastoid process and removal of the posterior and superior walls of the external auditory canal to open the mastoid and attic of the middle ear to the outside and preserve hearing.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.