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Home > Health Library > Childhood Brain Stem Glioma Treatment (PDQ®): Treatment - Patient Information [NCI]
This information is produced and provided by the National Cancer Institute (NCI). The information in this topic may have changed since it was written. For the most current information, contact the National Cancer Institute via the Internet web site at http://cancer.gov or call 1-800-4-CANCER.
Childhood brain stem glioma is a disease in which benign (noncancer) or malignant (cancer) cells form in the tissues of the brain stem.
Gliomas are tumors formed from glial cells. Glial cells in the brain hold nerve cells in place, bring food and oxygen to nerve cells, and help protect nerve cells from disease, such as infection. In brain stem glioma, the glial cells in the brain stem are affected.
The brain stem is made up of the midbrain, pons, and medulla. It is the lowest part of the brain and connects to the spinal cord, just above the back of the neck. The brain stem controls vital functions such as breathing, heart rate, and blood pressure, and the nerves and muscles used in seeing, hearing, walking, talking, and eating.
Most childhood brain stem gliomas are diffuse intrinsic pontine gliomas (DIPG), which form in the pons. Focal gliomas form in other parts of the brain stem.
Anatomy of the brain. The supratentorial area (the upper part of the brain) contains the cerebrum, lateral ventricle and third ventricle (with cerebrospinal fluid shown in blue), choroid plexus, pineal gland, hypothalamus, pituitary gland, and optic nerve. The posterior fossa/infratentorial area (the lower back part of the brain) contains the cerebellum, tectum, fourth ventricle, and brain stem (midbrain, pons, and medulla). The tentorium separates the supratentorium from the infratentorium (right panel). The skull and meninges protect the brain and spinal cord (left panel).
Brain tumors are the second most common type of cancer in children.
This summary is about the treatment of primary brain tumors (tumors that begin in the brain). Treatment for metastatic brain tumors, which are tumors formed by cancer cells that begin in other parts of the body and spread to the brain, is not discussed in this summary.
Brain tumors can occur in both children and adults; however, treatment for children may be different than treatment for adults. For information on treatment of brain tumors in adults, see the PDQ summary Adult Central Nervous System Tumors Treatment.
There are two types of brain stem gliomas in children.
Even though DIPG and focal brain stem glioma form in the same type of cell, they act differently:
The cause of most childhood brain tumors is unknown.
Anything that increases your risk 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. Possible risk factors for brain stem glioma include:
The signs and symptoms of brain stem glioma are not the same in every child.
Signs and symptoms depend on the following:
Signs and symptoms may be caused by childhood brain stem gliomas or by other conditions. Check with your child's doctor if your child has any of the following:
Tests that examine the brain are used to detect (find) childhood brain stem glioma.
The following tests and procedures may be used:
A biopsy may be done to diagnose certain types of brain stem glioma.
If the MRI scan looks like the tumor is a DIPG, a biopsy is usually not done and the tumor is not removed. When the MRI scan results are uncertain, a biopsy may be done.
If the MRI scan looks like a focal brain stem glioma, a biopsy may be done. A part of the skull is removed and a needle is used to remove a sample of the brain tissue. Sometimes, the needle is guided by a computer. A pathologist views the tissue under a microscope to look for cancer cells. If cancer cells are found, the doctor will remove as much tumor as safely possible during the same surgery.
Craniotomy: An opening is made in the skull and a piece of the skull is removed to show part of the brain.
The following test may be done on the tissue sample that was removed during biopsy or surgery:
Certain factors affect prognosis (chance of recovery).
The child's prognosis depends on the following:
Most children with DIPG live less than 18 months after diagnosis. Children with a focal glioma usually live longer than 5 years.
The plan for cancer treatment depends on whether the tumor is in one area of the brain or has spread all through the brain.
Staging is the process used to find out how much cancer there is and if cancer has spread. It is important to know the stage in order to plan treatment.
There is no standard staging system for childhood brain stem glioma. Treatment is based on the following:
A focal brain stem glioma may recur many years after first being treated. The tumor may come back in the brain or in other parts of the central nervous system. Before cancer treatment is given, imaging tests, a biopsy, or surgery may be done to make sure there is cancer and find out how much cancer there is.
There are different types of treatment for children with brain stem glioma.
Different types of treatment are available for children with brain stem glioma. 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 brain stem glioma should have their treatment planned by a team of health care providers who are experts in treating childhood brain tumors.
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 care providers who are experts in treating children with brain tumors and who specialize in certain areas of medicine. These may include the following specialists:
Five types of standard treatment are used:
Biopsy or surgery to remove DIPG is not usually done because of the following:
A biopsy to diagnose or surgery to remove the tumor may be used for childhood focal brain stem glioma.
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:
The way the radiation therapy is given depends on the type of the cancer being treated. External radiation therapy is used to treat DIPG. External and/or internal radiation therapy may be used to treat focal brain stem gliomas.
Several months after radiation therapy to the brain, imaging tests may show changes to the brain tissue. These changes may be caused by the radiation therapy or may mean the tumor is growing. It is important to be sure the tumor is growing before any more treatment is given.
Chemotherapy is a cancer treatment that uses drugs to stop the growth of cancer cells, either by killing the cells or by stopping them from dividing. When chemotherapy is taken by mouth or injected into a vein or muscle, the drugs enter the bloodstream and can reach cancer cells throughout the body (systemic chemotherapy).
Because radiation therapy to the brain can affect growth and brain development in young children, chemotherapy may be given to delay or reduce the need for radiation therapy.
Cerebrospinal fluid diversion
Cerebrospinal fluid diversion is a method used to drain fluid that has built up in the brain. A shunt (long, thin tube) is placed in a ventricle (fluid-filled space) of the brain and threaded under the skin to another part of the body, usually the abdomen. The shunt carries extra fluid away from the brain so it may be absorbed elsewhere in the body.Cerebrospinal fluid (CSF) diversion. Extra CSF is removed from a ventricle in the brain through a shunt (tube) and is emptied into the abdomen. A valve controls the flow of CSF.
Observation is closely monitoring a patient's condition without giving any treatment until signs or symptoms appear or change.
New types of treatment are being tested in clinical trials.
This summary section describes treatments that are being studied in clinical trials. It may not mention every new treatment being studied. Information about clinical trials is available from the NCI website.
Targeted therapy is a type of treatment that uses drugs or other substances to attack cancer cells. Targeted therapies may cause less harm to normal cells than chemotherapy or radiation therapy do.
There are different types of targeted therapy being studied in the treatment of brain stem gliomas:
A monoclonal antibody, APX005M, binds to CD40, a cell surface receptor found on certain immune cells and some cancer cells. It may fight cancer by boosting the immune system and by slowing cancer cell growth. It is being studied in the treatment of pediatric brain tumors that are growing, spreading, or getting worse (progressive), or in newly diagnosed DIPG.
Treatment for childhood brain stem glioma 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. Late effects may include the following:
Some late effects may be treated or controlled. It is important to talk with your child's doctors about the effects cancer treatment can have on your child. (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.
Information about clinical trials is available from the NCI website.
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.
If the results of imaging tests done after treatment for DIPG show a mass in the brain, a biopsy may be done to find out if it is made up of dead tumor cells or if new cancer cells are growing. In children who are expected to live a long time, regular MRIs may be done to see if the cancer has come back.
For information about the treatments listed below, see the Treatment Option Overview section.
Newly diagnosed childhood diffuse intrinsic brain stem glioma (DIPG) is a tumor for which no treatment has been given. The child may have received drugs or treatment to relieve signs or symptoms caused by the tumor.
Standard treatment of DIPG may include the following:
Newly diagnosed childhood focal glioma is a tumor for which no treatment has been given. The child may have received drugs or treatment to relieve signs or symptoms caused by the tumor.
Treatment of focal glioma may include the following:
Treatment of brain stem glioma in children with neurofibromatosis type 1 may be observation. The tumors are slow-growing in these children and may not need specific treatment for years.
When cancer does not get better with treatment or comes back, palliative care is an important part of the child's treatment plan. It includes physical, psychological, social, and spiritual support for the child and family. The goal of palliative care is to help control symptoms and give the child the best quality of life possible. Parents may not be sure about whether to continue treatment or what kind of treatment is best for their child. The healthcare team can give parents information to help them make these decisions.
More radiation therapy may be given to children with progressive or recurrent diffuse intrinsic pontine glioma (DIPG) who responded when first treated with radiation therapy. Treatment of progressive or recurrent DIPG may also include the following:
Treatment of recurrent focal childhood brain stem glioma may include the following:
For more information about childhood brain tumors, see the following:
For more childhood cancer information and other general cancer resources, see the following:
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.
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Purpose of This Summary
This PDQ cancer information summary has current information about the treatment of childhood brain stem glioma. 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.
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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).
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The best way to cite this PDQ summary is:
PDQ® Pediatric Treatment Editorial Board. PDQ Childhood Brain Stem Glioma Treatment. Bethesda, MD: National Cancer Institute. Updated <MM/DD/YYYY>. Available at: https://www.cancer.gov/types/brain/patient/child-glioma-treatment-pdq. Accessed <MM/DD/YYYY>. [PMID: 26389295]
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Last Revised: 2020-02-20
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