| 释义 |
tympanomastoidectomy rad·i·cal mas·toid·ec·to·myan 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 |