Objective: To reduce the recurrent rate of the nasal inverted papilloma(NIP), the staging system of the NIP and the select criterion of surgical approaches were researched.
Method: Based on the feature of the tumor and CT examination, forty-one cases of NIP were divided into T1, T2, T3, T4. Nineteen patients were treated endoscopically. Twenty patients were undergone lateral rhinotomy. Two patients were treated with medial maxillectomy.
Result: Recurrent rate of the endoscopic management was 10.5%. Recurrent rate of the lateral rhinotomy was 15.0%.
Conclusion: The disease of the T1, T2, T3a can be treated by endoscopic management. The disease of the T3b, T4 can be treated by lateral rhinotomy or other approach. The selection of the surgical approach depended on the tumor clinical staging system.