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According to the classification of World Health Organization, papillary squamous cell carci noma is a variant of squamous cell carcinoma. This is a malignancy rarely found in the upper aerodigestive tract, especially in the sinonasal tract. We experienced a case, in which a 50-yearold man had papillary squamous cell carcinoma on his right nasal cavity, accompanied with inverted papilloma and fungiform papilloma. They were resected via endoscopic and Caldwell-Luc’s approach. After the operation, the patient was treated with radiotherapy for 7 weeks, and has been disease-free for two years. We present the clinical characteristics, pathology, treatment, and prognosis of the tumor with a review of the literature.

A Case of Papillary Squamous Cell Carcinoma Which Associated with Inverted Papilloma in Sinonasal Cavity