Definition: 'Radical Mastoidectomy'
radical mastoidectomyType: Term
1. 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.
The definition information for radical mastoidectomy is provided by Stedman's. You can search our medical dictionary here.