Abstract
Inverted papilloma in the nasal and paranasal cavities is a rare disease and is also very difficult to distinguish from other nasal tumors. Generally speaking it seems to be characterized by multiple recurrences and tends to become malignant.
Clinical and pathological studies of inverted papilloma growing in the nasal cavity and paranasal sinuses were performed in 10 patients treated in the last 6 years in our clinic.
The results were as follows.
They consisted of 8 males and 2 females, and the mean age was 50.2 years ranging from 32 to 79. The chief complaint was mainly nasal obstruction caused by the papillomatous mass. Inverted papillomas in 3 patients were pathologically associated with a slight degree of mitosis, an irregular from of nuclei and also hyperkeratosis. For treatment, patients performed radical operation and 3 had additional irradiation of 40Gy. Recurrence of this disease has been recognized in 2 cases up to the present.
