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

V. Signs

  1. Bilateral, multiple bony growths
  2. Located in external auditory canal
  3. Adjacent to Tympanic Membrane

VI. Management

  1. Excision if Hearing Loss or Otalgia
  2. Excision Indications
    1. Obstructive symptoms (e.g. Conductive Hearing Loss)
    2. Secondary infection

Images: Related links to external sites (from Bing)

Related Studies (from Trip Database) Open in New Window