What is (are) Salivary Gland Cancer ?
Key Points
                    - Salivary gland cancer is a rare disease in which malignant (cancer) cells form in the tissues of the salivary glands.    - Being exposed to certain types of radiation may increase the risk of salivary cancer.     - Signs of salivary gland cancer include a lump or trouble swallowing.     - Tests that examine the head, neck, and the inside of the mouth are used to detect (find) and diagnose salivary gland cancer.    - Certain factors affect treatment options and prognosis (chance of recovery).
                
                
                    Salivary gland cancer is a rare disease in which malignant (cancer) cells form in the tissues of the salivary glands.
                    The salivary glands make saliva and release it into the mouth. Saliva has enzymes that help digest food and antibodies that help protect against infections of the mouth and throat. There are 3 pairs of major salivary glands:         - Parotid glands: These are the largest salivary glands and are found in front of and just below each ear. Most major salivary gland tumors begin in this gland.    - Sublingual glands: These glands are found under the tongue in the floor of the mouth.    - Submandibular glands: These glands are found below the jawbone.         There are also hundreds of small (minor) salivary glands lining parts of the mouth, nose, and larynx that can be seen only with a microscope. Most small salivary gland tumors begin in the palate (roof of the mouth).   More than half of all salivary gland tumors are benign (not cancerous) and do not spread to other tissues.     Salivary gland cancer is a type of head and neck cancer.