Introduction: Neoplasms of the paranasal sinuses are rare, they represent approximately 3% of head and neck cancers, and 0.5 to 0.8% of all malignant tumors. The most common neoplasm is squamous cell carcinoma and its most common site is the maxillary antrum, which may also arise in the ethmoid sinus. The origin in the frontal and sphenoid sinuses is rare.