Objectives: Benign sinonasal tumors (BST) are rare andusually asymptomatic. When symptomatic or withpendingcomplications the surgical treatment, with endonasal and/or external approaches, is recommended. The purpose of thisstudy was to evaluate the recent experience of the Hospital S.João in the surgical treatment of BST.Study Design: Retrospective studyMaterial and Methods: Evaluation of cases of BST treatedsu...