A clinicomorphological study of Schneiderian Papilloma

Background: Schneiderian papilloma are benign epithelial neoplasm of three subtypes- exophytic, oncocytic and inverted. The objective of the study performed is to illustrate the histopathological patterns and clinical presentation of schneiderian papilloma subtypes. Sinonasal papillomas are benign yet aggressive neoplasm characterized by high recurrence rate and associated with malignancy. Method: A prospective study was performed of schneiderian papillomas diagnosed in a period of three years. Results: Thirty five patients of sinonasal papilloma who underwent sinus surgery were observed. There were 25(71%) male and 10(29%) female subjects diagnosed at an average age of 53 years(range 10-74years). The three subtypes were classified as exophytic(13 cases); inverted(19cases) and oncocytic papilloma(3cases). Conclusion: Inverted papilloma are the most common sinonasal papilloma. Key Words: Exophytic, Inverted, Oncocytic, Sinuses