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3Cortical and CATmmmmmmmmmmmmmmmmmmmmmmm

• 1.
  Cortical Mastoidectomy and CombinedApproach Tympanoplasty (CAT)
• 2.
  Relevant Anatomy
• 3.
  Cortical Mastoidectomy
• 4.
  Combined Approach Tympanoplasty (ie “canal wall up”, “intact canal wall”, “closed-cavity tympanomastoidectomy”) Reported Advantages • Avoids open mastoidectomy cavity and its problems • More physiologic and better for reconstruction of ossicular chain • Allows an individual to go swimming
• 5.
  Disadvantages of CATSurgery 1. Higher incidence of failure in literature. 2. Potentially dangerous in sclerotic mastoids. 3. Need for second look procedure (?) 4. Greater degree of surgical skill required.
• 6.
  Facial Recess Approach#1
• 7.
  Facial Recess Approach#2
• 8.
  Facial Recess Approach#3