抄録
Inverted papillomas in the nasal and paranasal cavities are uncommon benign tumors which are very difficult to distinguish from other nasal tumors and are prone to recurrence and malignant change. They are usually situated on the lateral nasal wall. Inverted papilloma of the nasal septum is rare. Our patient, an adult female, had inverted papillomas on both sides of the nasal septum, and severe malformation of the face.
