Sinonasal Inverted Papilloma

Abstract

Introduction: Sinonasal inverted papilloma is a rare tumour comprising about 0.5-4% of total nose and paranasal sinus tumours. Though various factors have been implicated its exact cause is unknown. This longitudinal, prospective study was carried out to find out demographical profile, association of this tumour with smoking, occupation, variation with ethnic races and outcome of surgery.