Inverted papilloma is a rare benign tumor of nasal cavity and paranasal sinuses. Although it is included in category of benign tumors, it has strong potential for local destruction, high recurrence rate and increased tendency toward malignancy. In this report, we present a case of an uncommon bilateral inverted papilloma of nasal cavities and paranasal sinuses.
Key words: inverted papilloma, paranasal sinuses, local destruction
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