Presentation
History of surgery for treatment of bilateral cholesteatomas
Patient Data
Age: 45
Gender: Female
From the case:
Canal up mastoidectomy
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Bilateral canal up mastoidectomies. Moderate degenerative change of the TMJs.
Case Discussion
Canal up mastoidectomies preserve the posterosuperior wall of the EAC, and Koerner's septum is removed in order to gain access to the ossicles.