Validating the Excision of Cholesteatoma

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Abstract
In lieu of a radical mastoidectomy, 138 patients underwent a closed tympanomastoidectomy with subsequent staged surgical procedures until the excision of cholesteatoma could be validated. All the patients underwent two surgical procedures, 29% underwent three procedures, and 4% underwent four procedures. The surgical findings at the second procedure were: negative, 41.5%; retraction pockets, 7%; squamous pearls, 14%; recurrent cholesteatoma, 12%; and residual cholesteatoma, 25.5%. At each stage the likelihood of finding any form of cholesteatoma lessens. A conversion from a closed to an open mastoidectomy was necessary for 9% of the patients, and 4% were lost to follow‐up. The opportunity to adjust the reconstructed ossicular assembly exists at each stage. With the use of semibiologic prostheses (ossicle cup and columella), the hearing results were: first stage, 67% within 20 dB, 84% within 30 dB; second stage, 77% and 90%; third stage, 77% and 96%.

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