II. Pathophysiology

  1. Benign bony growth of ear canal
  2. Composed of dense compact bone

III. Epidemiology

  1. Associated with cold water swimming
  2. Most common tumor of auditory canal

IV. Symptoms

  1. Conductive Hearing Loss (typically painless)

V. Signs

  1. Bilateral, multiple bony growths within the external auditory canal
  2. Adjacent to Tympanic Membrane

VI. Differential Diagnosis

VII. 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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