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  • Title: Reversible canal wall down mastoidectomy for acquired cholesteatomas: preliminary results.
    Author: McElveen JT, Chung AT.
    Journal: Laryngoscope; 2003 Jun; 113(6):1027-33. PubMed ID: 12782816.
    Abstract:
    OBJECTIVES: The educational objectives were to discuss a new technique to manage acquired cholesteatomas and to compare this with standard approaches used for cholesteatoma removal. The study objective was to determine the feasibility of using a new approach, the reversible canal wall down approach, in conjunction with bone cement to remove acquired cholesteatomas and, potentially, preserve the ossicular chain. STUDY DESIGN: Retrospective review of five patients who underwent resection of their acquired cholesteatomas using a technique that maximizes exposure, yet preserves the posterior canal wall and, potentially, the ossicular chain. METHODS: In the setting of a tertiary otological referral center, five consecutive patients with acquired cholesteatomas underwent reversible canal wall down surgery. Four patients were male (ages, 41, 53, 26, and 10 y), and one patient was a woman [age, 51 y]). A reversible canal wall down mastoidectomy approach was used in the patients. Main outcome measures were intraoperative findings with respect to cholesteatoma removal and postoperative clinical examination, including postoperative audiograms. RESULTS: Five patients had dry ears postoperatively. One patient initially had granulation tissue forming on the posterior ear canal. This eventually resolved. The patients who had a postoperative audiogram after cholesteatoma resection with ossicular chain preservation noted an improvement or stabilization in their hearing. CONCLUSIONS: Using the reversible canal wall down approach in conjunction with bone cement, one is able to obtain excellent exposure of the cholesteatoma and, potentially, preserve the ossicular chain. This approach may be particularly useful in revision cholesteatoma surgery or in cases of acquired cholesteatoma in which the surgeon may be able to preserve the ossicular chain.
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