radical mastoidectomy

rad·i·cal mas·toid·ec·to·my

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. Synonym(s): tympanomastoidectomy

radical mastoidectomy

A type of mastoidectomy that consists of the removal of the posterior and superior canal walls, meatoplasty and exteriorisation of the middle ear.

radical mastoidectomy

ENT 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.