open-cavity tympanomastoidectomy, a tympanomastoidectomy with removal of the posterior wall of the ear canal, such as radical mastoidectomy and modified radical mastoidectomy. See also mastoidectomy.
open-cavity tympanomastoidectomy, a tympanomastoidectomy with removal of the posterior wall of the ear canal, such as radical mastoidectomy and modified radical mastoidectomy. See also mastoidectomy.