ear, nose, and throat disorders
Paranasal Sinus Cancer
Introduction
Paranasal sinus cancer is rare. It usually is squamous cell carcinoma but can also be adenocarcinoma, and it occurs most often in the maxillary and ethmoid sinuses. In most cases its cause is not known, symptoms develop late, and survival is generally poor. (See also Overview of Head and Neck Tumors .) Although rare in the US, paranasal sinus cancer is more common in Japan and among the Bantu people of South Africa. Men over 40 years are affected most often. The cause is uncertain, but Sinusitis is not believed to be a cause. Regular inhalation of certain types of wood, leather, and metal dust Smoking tobacco 