The cancer has spread to other parts of the body. It may come back in the paranasal sinuses or nasal cavity or in another part of the body. Treatment option overview How cancer of the paranasal sinus and nasal cavity is treated There are treatments for all patients with cancer of the paranasal sinus and nasal cavity. Surgery is commonly used to remove cancers of the paranasal sinus or nasal cavity. Depending on where the cancer is and how far it has spread, a doctor may need to cut out bone or tissue around the cancer.
Radiation therapy is also a common treatment of cancer of the paranasal sinus and nasal cavity.
External radiation to the thyroid or the pituitary gland may change the way the thyroid gland works. The doctor may wish to test the thyroid gland before and after therapy to make sure it is working properly. Chemotherapy uses drugs to kill cancer cells. Chemotherapy may be taken by pill, or it may be put into the body by a needle in a vein or muscle. Chemotherapy is called a systemic treatment because the drug enters the bloodstream, travels through the body, and can kill cancer cells throughout the body.