Cholesterol Granulomas Nasal Polyp in Sphenoethmoid Recess: An Atypical Aspect in a Common Lesion

Abstract
Nasal polyp is a non neoplastic lesion of the respiratory mucosa. In few cases, it can be possible to detech the presence of cholesterolgranuloma. We present the case of a 55 year-old patient affected by a nasal lesion, localized in sphenoethmoidal recess, with particular microscopic feature and a review of the literature.