*  adenoidectomy
  *  laryngectomy
  *  laryngoscopy
  *  neck dissection
  *  otologic surgical procedures
  *  auditory brain stem implantation
  *  cochlear implantation
  *  endolymphatic shunt
  *  fenestration, labyrinth
  *  middle ear ventilation
  *  myringoplasty
  *  ossicular replacement
  *  stapes surgery
  *  stapes mobilization
  *  tympanoplasty
  *  pharyngectomy
  *  pharyngostomy
  *  rhinoplasty
  *  tonsillectomy
  *  tracheostomy
  *  tracheotomy