Cholesterol granulomas nasal polyp in sphenoethmoid recess. An atypical aspect in a common lesion

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