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This PDQ cancer information summary has current information about the treatment of childhood salivary gland tumors. It is meant to inform and help patients, families, and caregivers. It does not give formal guidelines or recommendations for making decisions about health care.
Editorial Boards write the PDQ cancer information summaries and keep them up to date. These Boards are made up of experts in cancer treatment and other specialties related to cancer. The summaries are reviewed regularly and changes are made when there is new information. The date on each summary ("Date Last Modified") is the date of the most recent change. The information in this patient summary was taken from the health professional version, which is reviewed regularly and updated as needed, by the PDQ Pediatric Treatment Editorial Board.
CONTENTS
- General Information About Childhood Salivary Gland Tumors
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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:
Most salivary gland tumors in children are benign (not cancerous) and do not spread to other tissues. Some salivary gland tumors are malignant (cancer). Malignant tumors are more common in young children. The prognosis for salivary gland cancer in children is usually good.
A history of past treatment for cancer may increase the risk of salivary gland cancer.
Anything that increases your 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. Talk with your child's doctor if you think your child may be at risk.
Risk factors for salivary gland cancer in children include past treatment for leukemia, lymphoma, sarcoma, or other cancers using:
Signs and symptoms of salivary gland cancer include a lump near the ear, cheek, jaw, or lip, or inside the mouth.
These and other signs and symptoms may be caused by salivary gland cancer or by other conditions.
Check with your child's doctor if your child has any of the following:
Tests that examine the mouth and throat are used to diagnose salivary gland cancer.
The following tests and procedures may be used:
- Stages of Childhood Salivary Gland Cancer
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The process used to find out if cancer has spread from the salivary glands to nearby areas or to other parts of the body is called staging. There is no standard staging system for childhood salivary gland cancer. The results of the tests and procedures done to diagnose salivary gland cancer are used to help make decisions about treatment.
Sometimes childhood salivary gland cancer recurs (comes back) after treatment.
- Treatment Option Overview
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There are different types of treatment for children with salivary gland cancer.
Some treatments are standard (the currently used treatment), and some are being tested in clinical trials. A treatment clinical trial is a research study meant to help improve current treatments or obtain information on new treatments for patients with cancer. When clinical trials show that a new treatment is better than the standard treatment, the new treatment may become the standard treatment.
Because cancer in children is rare, taking part in a clinical trial should be considered. Some clinical trials are open only to patients who have not started treatment.
Children with salivary gland cancer should have their treatment planned by a team of doctors who are experts in treating childhood cancer.
Treatment will be overseen by a pediatric oncologist, a doctor who specializes in treating children with cancer. The pediatric oncologist works with other pediatric health professionals who are experts in treating children with cancer and who specialize in certain areas of medicine. This may include the following specialists and others:
- Pediatrician.
- Pediatric surgeon.
- Radiation oncologist.
- Pathologist.
- Pediatric ear, nose, and throat specialist.
- Pediatric nurse specialist.
- Social worker.
- Rehabilitation specialist.
- Psychologist.
- Child-life specialist.
Three types of standard treatment are used:
Surgery
Surgery to remove the tumor is the most common treatment for benign salivary gland tumors and malignant salivary gland cancer. If the parotid gland is removed during surgery, special care must be taken to avoid damage to the facial nerve.
Radiation therapy
Radiation therapy is a cancer treatment that uses high-energy x-rays or other types of radiation to kill cancer cells or keep them from growing. There are two types of radiation therapy:
- External radiation therapy uses a machine outside the body to send radiation toward the area of the body with cancer.
- Internal radiation therapy uses a radioactive substance sealed in needles, seeds, wires, or catheters that are placed directly into or near the cancer.
Radiation therapy may be given if the tumor is likely to spread.
Targeted therapy
Targeted therapy is a type of treatment that uses drugs or other substances to identify and attack specific cancer cells. Targeted therapies usually cause less harm to normal cells than chemotherapy or radiation therapy do.
There are different types of targeted therapies:
- Tyrosine kinase inhibitor (TKI) therapy blocks signals needed for cancer to grow. Entrectinib and larotrectinib are TKIs that may be used to treat salivary gland cancer with a certain gene change.
Targeted therapy is being studied for the treatment of childhood salivary gland cancer that has recurred (come back).
New types of treatment are being tested in clinical trials.
Information about clinical trials is available from the NCI website.
Treatment for childhood salivary gland cancer may cause side effects.
For information about side effects that begin during treatment for cancer, see our Side Effects page.
Side effects from cancer treatment that begin after treatment and continue for months or years are called late effects. Because late effects affect health and development, regular follow-up exams are important.
Late effects of cancer treatment may include the following:
- Physical problems that affect the following:
- Dry mouth.
- Trouble seeing.
- Changes in the way the bones of the head and face grow.
- Other changes in the child's appearance.
- Changes in mood, feelings, thinking, learning, or memory.
- Second cancers (new types of cancer).
Some late effects may be treated or controlled. It is important to talk with your child's doctors about the possible late effects caused by some treatments. (See the PDQ summary on Late Effects of Treatment for Childhood Cancer for more information).
Patients may want to think about taking part in a clinical trial.
For some patients, taking part in a clinical trial may be the best treatment choice. Clinical trials are part of the cancer research process. Clinical trials are done to find out if new cancer treatments are safe and effective or better than the standard treatment.
Many of today's standard treatments for cancer are based on earlier clinical trials. Patients who take part in a clinical trial may receive the standard treatment or be among the first to receive a new treatment.
Patients who take part in clinical trials also help improve the way cancer will be treated in the future. Even when clinical trials do not lead to effective new treatments, they often answer important questions and help move research forward.
Patients can enter clinical trials before, during, or after starting their cancer treatment.
Some clinical trials only include patients who have not yet received treatment. Other trials test treatments for patients whose cancer has not gotten better. There are also clinical trials that test new ways to stop cancer from recurring (coming back) or reduce the side effects of cancer treatment.
Clinical trials are taking place in many parts of the country. Information about clinical trials supported by NCI can be found on NCI’s clinical trials search webpage. Clinical trials supported by other organizations can be found on the ClinicalTrials.gov website.
Follow-up tests may be needed.
Some of the tests that were done to diagnose the cancer or to find out the stage of the cancer may be repeated. Some tests will be repeated in order to see how well the treatment is working. Decisions about whether to continue, change, or stop treatment may be based on the results of these tests.
Some of the tests will continue to be done from time to time after treatment has ended. The results of these tests can show if your child's condition has changed or if the cancer has recurred (come back). These tests are sometimes called follow-up tests or check-ups.
- Treatment of Childhood Salivary Gland Cancer
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For information about the treatments listed below, see the Treatment Option Overview section.
Treatment of newly diagnosed salivary gland cancer in children may include the following:
- Surgery to remove the cancer. Internal or external radiation therapy may be given after surgery.
Use our clinical trial search to find NCI-supported cancer clinical trials that are accepting patients. You can search for trials based on the type of cancer, the age of the patient, and where the trials are being done. General information about clinical trials is also available.
- Treatment of Recurrent Childhood Salivary Gland Cancer
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For information about the treatments listed below, see the Treatment Option Overview section.
Treatment of recurrent salivary gland cancer in children may include the following:
- Targeted therapy (entrectinib or larotrectinib).
- A clinical trial that checks a sample of the patient's tumor for certain gene changes. The type of targeted therapy that will be given to the patient depends on the type of gene change.
Use our clinical trial search to find NCI-supported cancer clinical trials that are accepting patients. You can search for trials based on the type of cancer, the age of the patient, and where the trials are being done. General information about clinical trials is also available.
- To Learn More About Childhood Salivary Gland Cancer
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For more information from the National Cancer Institute about salivary gland cancer, see the following:
For more childhood cancer information and other general cancer resources, see the following:
- About Cancer
- Childhood Cancers
- CureSearch for Children's Cancer
- Late Effects of Treatment for Childhood Cancer
- Adolescents and Young Adults with Cancer
- Children with Cancer: A Guide for Parents
- Cancer in Children and Adolescents
- Staging
- Coping with Cancer
- Questions to Ask Your Doctor about Cancer
- For Survivors and Caregivers
- About This PDQ Summary
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About PDQ
Physician Data Query (PDQ) is the National Cancer Institute's (NCI's) comprehensive cancer information database. The PDQ database contains summaries of the latest published information on cancer prevention, detection, genetics, treatment, supportive care, and complementary and alternative medicine. Most summaries come in two versions. The health professional versions have detailed information written in technical language. The patient versions are written in easy-to-understand, nontechnical language. Both versions have cancer information that is accurate and up to date and most versions are also available in Spanish.
PDQ is a service of the NCI. The NCI is part of the National Institutes of Health (NIH). NIH is the federal government’s center of biomedical research. The PDQ summaries are based on an independent review of the medical literature. They are not policy statements of the NCI or the NIH.
Purpose of This Summary
This PDQ cancer information summary has current information about the treatment of childhood salivary gland tumors. It is meant to inform and help patients, families, and caregivers. It does not give formal guidelines or recommendations for making decisions about health care.
Reviewers and Updates
Editorial Boards write the PDQ cancer information summaries and keep them up to date. These Boards are made up of experts in cancer treatment and other specialties related to cancer. The summaries are reviewed regularly and changes are made when there is new information. The date on each summary ("Updated") is the date of the most recent change.
The information in this patient summary was taken from the health professional version, which is reviewed regularly and updated as needed, by the PDQ Pediatric Treatment Editorial Board.
Clinical Trial Information
A clinical trial is a study to answer a scientific question, such as whether one treatment is better than another. Trials are based on past studies and what has been learned in the laboratory. Each trial answers certain scientific questions in order to find new and better ways to help cancer patients. During treatment clinical trials, information is collected about the effects of a new treatment and how well it works. If a clinical trial shows that a new treatment is better than one currently being used, the new treatment may become "standard." Patients may want to think about taking part in a clinical trial. Some clinical trials are open only to patients who have not started treatment.
Clinical trials can be found online at NCI's website. For more information, call the Cancer Information Service (CIS), NCI's contact center, at 1-800-4-CANCER (1-800-422-6237).
Permission to Use This Summary
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The best way to cite this PDQ summary is:
PDQ® Pediatric Treatment Editorial Board. PDQ Childhood Salivary Gland Tumors Treatment. Bethesda, MD: National Cancer Institute. Updated <MM/DD/YYYY>. Available at: https://www.cancer.gov/types/head-and-neck/patient/child/salivary-gland-treatment-pdq. Accessed <MM/DD/YYYY>.
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