Learning Objectives: Mastoid defects are commonly found during surgery for chronic otitis media, temporal bone tumors, or trauma. Without repairing defects of the external auditory canal or scutum, cholesteatoma or chronic infection may develop. Encephaloceles can occur if tegmen defects are not adequately repaired. Autologous materials can be used to repair these defects with the benefit of less tissue reaction, availability of tissue, and less cost. Cartilage with or without perichondrium is readily available and can be used to repair external auditory canal, scutum, and tegmen defects. Bone pate collected during the mastoidectomy can be used to repair bony defects. The advantages and disadvantages of these materials and techniques will be discussed. Photos and videos will be used to demonstrate these techniques.
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