Case of inverted papilloma of nasal cavity with malignant transformation involving both orbits

Abstract

Inverted papilloma is an interesting benign tumour arising from lining epithelium of paranasal sinuses which most commonly involves nasal cavity and paranasal sinuses. Extension to orbit is a rare presentation. It is an uncommon intermediate grade epithelial tumour of the nasal cavity, with tendency to recur and associated with malignancy, arising from Schneiderian membrane of paranasal sinuses. Reporting a case of inverted papilloma of right nasal cavity with well differentiated squamous cell carcinoma, invading to both orbits.