Otolaryngology Book



Aka: Exostoses
  1. Pathophysiology
    1. Benign bony growth of ear canal
    2. Composed of dense compact bone
  2. Epidemiology
    1. Associated with cold water swimming
    2. Most common tumor of auditory canal
  3. Symptoms
    1. Conductive Hearing Loss
  4. Signs
    1. Bilateral, multiple bony growths
    2. Located in external auditory canal
    3. Adjacent to Tympanic Membrane
  5. Management
    1. Excision if Hearing Loss or Otalgia
    2. Excision Indications
      1. Obstructive symptoms (e.g. Conductive Hearing Loss)
      2. Secondary infection

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