an operation for the management of extensive cholesteatoma; involves exenteration of the remaining mastoid air cells and removal of the posterior and superior walls of the external auditory canal and the remnants of the tympanic membrane and middle-ear ossicles to exteriorize the mastoid cavity and middle ear through the external auditory canal.
Farlex Partner Medical Dictionary © Farlex 2012
radical mastoidectomyA type of mastoidectomy that consists of the removal of the posterior and superior canal walls, meatoplasty and exteriorisation of the middle ear.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
radical mastoidectomyENT An operation to eradicate disease of the middle ear cavity and mastoid process, in which the mastoid, epitympanic, and mesotympanic spaces are converted into an easily accessible common cavity by removing the posterior and superior external canal walls. Cf Modified radical mastoidectomy.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.