Sinonasal Inverted Papilloma: Efficacy of Demucosation to Reduce Recurrence After Surgical Managements

Abstract

To compare the outcomes of various surgical approaches to resect sinonasal inverted papilloma and to discuss their advantages and disadvantages. A retrospective chart review of 61 consecutive patients with sinonasal inverted papilloma was performed. Surgical treatment included non-demucosation endoscopic sinus surgery (ESS), demucosation ESS, endonasal medial maxillectomy (EMM), Draf type 3, Caldwell-Luc surgery, Denker, Killian, and lateral rhinotomy. Recurrence rates were compared between endonasal and external approaches and between demucosation and non-demucosation. After the first curative surgery, the non-demucosation ESS, endonasal demucosation (demucosation ESS, EMM, and Draf type 3), and external surgery showed recurrence rates of 61.5%, (8/13), 0.0% (0/21), and 7.4% (2/27), respectively. A significantly lower recurrence rate was observed in the endonasal demucosation (p < 0.001) and in the demucosation ESS group (p < 0.001) in comparison with the non-demucosation ESS. However, as for recurrence rate, no statistically significant difference was observed between endonasal surgery and external surgery (p = 0.162). Demucosation is a better strategy for the treatment of inverted papilloma than is non-demucosation. Demucosation is the key procedure for preventing recurrence.

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