Salivary Gland Cancer

Pancreatic Cancer Slideshow

• What is salivary gland cancer?
• What increases the risk of salivary gland cancer?
• What are symptoms and signs of salivary gland cancer?
• What exams and tests are used to detect and diagnose salivary gland cancer?
• What is the prognosis for salivary gland cancer?
• What are the stages of salivary gland cancer?
• What is the treatment for salivary gland cancer?
• How does staging affect treatment options?
• Where can people find more information about salivary gland cancer?

What is salivary gland cancer?

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.

What increases the risk of salivary gland cancer?

Being exposed to certain types of radiation may increase the risk of salivary cancer.

Anything that increases the chance of getting a disease is called a risk factor. Having a risk factor does not mean that you will get cancer; not having risk factors doesn't mean that you will not get cancer. People who think they may be at risk should discuss this with their doctor. Although the cause of most salivary gland cancers is not known, risk factors include the following:

• Older age.



• Treatment with radiation therapy to the head and neck.



• Being exposed to certain substances at work.

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