<prompt> A patient of Menieres disease has failed all medical treatment but still retains a serviceable hearing. All of the following treatments can be considered except:Endolymphatic sac decompressionIntratympanic gentamicinVestibular nerve sectionLabyrinthectomy  <response>: Since the hearing of the patient is serviceable as present those procedures should be considered which retain the useful hearing such as in a, b and c. Labyrinthectomy will totally destroy the hearing and is not suitable in this patient. 