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Childhood Brain and Spinal Cord Tumors Treatment Overview (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 and Spinal Cord Tumors Treatment Overview

General Information About Childhood Brain and Spinal Cord Tumors

A childhood brain or spinal cord tumor is a disease in which abnormal cells form in the tissues of the brain or spinal cord.

There are many types of childhood brain and spinal cord tumors. The tumors are formed by the abnormal growth of cells and may begin in different areas of the brain or spinal cord.

The tumors may be benign (not cancer) or malignant (cancer). Benign brain tumors grow and press on nearby areas of the brain. They rarely spread into other tissues. Malignant brain tumors are likely to grow quickly and spread into other brain tissue. When a tumor grows into or presses on an area of the brain, it may stop that part of the brain from working the way it should. Both benign and malignant brain tumors can cause symptoms and need treatment.

Together, the brain and spinal cord make up the central nervous system (CNS).

The brain controls many important body functions.

The brain has three major parts:





Anatomy of the brain, showing the cerebrum, cerebellum, brain stem, and other parts of the brain. Anatomy of the inside of the brain, showing the pineal and pituitary glands, optic nerve, ventricles (with cerebrospinal fluid shown in blue), and other parts of the brain.

The spinal cord connects the brain with nerves in most parts of the body.

The spinal cord is a column of nerve tissue that runs from the brain stem down the center of the back. It is covered by three thin layers of tissue called membranes. These membranes are surrounded by the vertebrae (back bones). Spinal cord nerves carry messages between the brain and the rest of the body. For example, a signal from the brain causes muscles to move or the skin sends a signal to the brain when touched.

Brain and spinal cord tumors are a common type of childhood cancer.

Although cancer is rare in children, brain and spinal cord tumors are the third most common type of childhood cancer, after leukemia and lymphoma. Brain tumors can occur in both children and adults. Treatment for children is usually different than treatment for adults. (See the PDQ summary on Adult Brain Tumors Treatment for more information about the treatment of adults.)

This summary describes the treatment of primary brain and spinal cord tumors (tumors that begin in the brain and spinal cord). Treatment of metastatic brain and spinal cord tumors is not covered in this summary. Metastatic tumors are formed by cancer cells that begin in other parts of the body and spread to the brain or spinal cord.

The cause of most childhood brain and spinal cord tumors is unknown.

The symptoms of childhood brain and spinal cord tumors are not the same in every child.

Headaches and other symptoms may be caused by childhood brain and spinal cord tumors. Other conditions may cause the same symptoms. Check with a doctor if your child has any of the following problems:

Brain Tumor Symptoms

Spinal Cord Tumor Symptoms

In addition to these symptoms of brain and spinal cord tumors, some children are unable to reach certain growth and development milestones such as sitting up, walking, and talking in sentences.

Tests that examine the brain and spinal cord are used to detect (find) childhood brain and spinal cord tumors.

The following tests and procedures may be used:

Most childhood brain tumors are diagnosed and removed in surgery.

If doctors think there might be a brain tumor, a biopsy may be done to remove a sample of tissue. For tumors in the brain, the biopsy is done by removing part of the skull and using a needle to remove a sample of tissue. A pathologist views the tissue under a microscope to look for cancer cells. If cancer cells are found, the doctor may remove as much tumor as safely possible during the same surgery. The pathologist checks the cancer cells to find out the type and grade of brain tumor. The grade of the tumor is based on how abnormal the cancer cells look under a microscope and how quickly the tumor is likely to grow and spread.


Craniotomy: An opening is made in the skull and a piece of the skull is removed to show part of the brain.

The following tests may be done on the sample of tissue that is removed:

Some childhood brain and spinal cord tumors are diagnosed by imaging tests.

Sometimes a biopsy or surgery cannot be done safely because of where the tumor formed in the brain or spinal cord. These tumors are diagnosed based on the results of imaging tests and other procedures.

Certain factors affect prognosis (chance of recovery).

The prognosis (chance of recovery) depends on the following:

General Information About Staging Childhood Brain and Spinal Cord Tumors

In childhood brain and spinal cord tumors, treatment options are based on several factors.

Staging is the process used to find how much cancer there is and if cancer has spread within the brain, spinal cord, or to other parts of the body. It is important to know the stage in order to plan cancer treatment.

In childhood brain and spinal cord tumors, there is no standard staging system. Instead, the plan for cancer treatment depends on several factors:

The information from tests and procedures done to detect (find) childhood brain and spinal cord tumors is used to determine the tumor risk group.

After the tumor is removed in surgery, some of the tests used to detect childhood brain and spinal cord tumors are repeated to help determine the tumor risk group (see the General Information section). This is to find out how much tumor remains after surgery. Other tests and procedures may be done to find out if cancer has spread:

There are three ways that cancer spreads in the body.

The three ways that cancer spreads in the body are:

When cancer cells break away from the primary (original) tumor and travel through the lymph or blood to other places in the body, another (secondary) tumor may form. This process is called metastasis. The secondary (metastatic) tumor is the same type of cancer as the primary tumor. For example, if breast cancer spreads to the bones, the cancer cells in the bones are actually breast cancer cells. The disease is metastatic breast cancer, not bone cancer.

Childhood brain and spinal cord tumors may recur (come back) after treatment.

A recurrent childhood brain or spinal cord tumor is one that has recurred (come back) after it has been treated. Childhood brain and spinal cord tumors may come back in the same place or in another part of the brain. Sometimes they come back in another part of the body. The tumor may come back many years after first being treated. Diagnostic and staging tests and procedures, including biopsy, may be done to make sure that the tumor has recurred.

Treatment Option Overview

There are different types of treatment for children with brain and spinal cord tumors.

Different types of treatment are available for children with brain and spinal cord tumors. 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. Clinical trials are taking place in many parts of the country. Some clinical trials are open only to patients who have not started treatment.

Children with brain or spinal cord tumors should have their treatment planned by a team of health care providers who are experts in treating childhood brain and spinal cord tumors.

Treatment will be overseen by a pediatric oncologist, a doctor who specializes in treating children with cancer. The pediatric oncologist works with other 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:

Childhood brain and spinal cord tumors may cause symptoms that begin before diagnosis and continue for months or years.

Childhood brain and spinal cord tumors may cause symptoms that continue for months or years. Symptoms caused by the tumor may begin before diagnosis. Symptoms caused by treatment may begin during or right after treatment.

Some cancer treatments cause side effects months or years after treatment has ended.

These are called late effects. Late effects of cancer treatment 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).

Three types of standard treatment are used:

Surgery

Surgery may be used to diagnose and treat childhood brain and spinal cord tumors. See the General Information section of this summary.

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 cancer. Internal radiation therapy uses a radioactive substance sealed in needles, seeds, wires, or catheters that are placed directly into or near the cancer. The way the radiation therapy is given depends on the type and stage of the cancer being treated.

Chemotherapy

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). When chemotherapy is placed directly in the cerebrospinal fluid, an organ, or a body cavity such as the abdomen, the drugs mainly affect cancer cells in those areas (regional chemotherapy). The way the chemotherapy is given depends on the type and stage of the cancer being treated.

Anticancer drugs given by mouth or vein to treat brain and spinal cord tumors cannot cross the blood-brain barrier and enter the fluid that surrounds the brain and spinal cord. Instead, an anticancer drug is injected into the fluid-filled space to kill cancer cells there. This is called intrathecal chemotherapy.

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 Web site.

High-dose chemotherapy with stem cell transplant

High-dose chemotherapy with stem cell transplant is a way of giving high doses of chemotherapy and replacing blood -forming cells destroyed by the cancer treatment. Stem cells (immature blood cells) are removed from the blood or bone marrow of the patient or a donor and are frozen and stored. After the chemotherapy is completed, the stored stem cells are thawed and given back to the patient through an infusion. These reinfused stem cells grow into (and restore) the body's blood cells.

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. See the Treatment Options section that follows for links to current treatment clinical trials. These have been retrieved from NCI's listing of clinical trials.

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. This is sometimes called re-staging.

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 Newly Diagnosed and Recurrent Childhood Brain Tumors

The brain is made of different kinds of cells. Childhood brain tumors are grouped and treated based on the type of cell the cancer formed in and where the tumor began growing in the CNS. Some types of tumors are divided into subtypes based on how the tumor looks under a microscope. See Table 1 for a list of tumor types and staging and treatment information for newly diagnosed and recurrent childhood brain tumors.

Table 1. The Staging and Treatment of Newly Diagnosed or Recurrent Tumors According to Tumor Type or Subtype

Tumor Type Tumor Subtype Staging and Treatment of Newly Diagnosed and Recurrent Childhood Brain Tumors
 
Astrocytomas and Other Tumors of Glial Origin    
Low-Grade Astrocytomas Diffuse fibrillary astrocytoma SeeChildhood Astrocytomas Treatmentfor information on low-grade astrocytomas.
Gemistocytic astrocytoma
Oligoastrocytoma
Oligodendroglioma
Pilocytic astrocytoma
Pilomyxoid astrocytoma
Pleomorphic xanthoastrocytoma
Protoplasmic astrocytoma
Subependymal giant cell astrocytoma
High-Grade Astrocytomas Anaplastic astrocytoma SeeChildhood Astrocytomas Treatmentfor information on high-grade astrocytomas.
Anaplastic oligoastrocytoma
Anaplastic oligodendroglioma
Giant cell glioblastoma
Glioblastoma
Gliomatosis cerebri
Gliosarcoma
 
Brain Stem Glioma    
  Diffuse intrinsic pontine gliomas SeeChildhood Brain Stem Glioma Treatment.
Focal or low-grade brain stem gliomas
 
Central Nervous System Embryonal Tumors    
Medulloblastoma Anaplastic SeeChildhood Central Nervous System Embryonal Tumors Treatmentfor information on medulloblastoma, central nervous system primitive neuroectodermal tumors (PNETs), and tumors of the pineal region.
Classic
Desmoplastic/nodular
Large cell
Medulloblastoma with extensive nodularity
Central Nervous System Primitive Neuroectodermal Tumors (PNETs) Central nervous system ganglioneuroblastoma
Central nervous system neuroblastoma
Ependymoblastoma
Medulloepithelioma
Tumors of the Pineal Region Pineal parenchymal tumor of intermediate differentiation
Pineoblastoma
Pineocytoma
Papillary tumor of the pineal region
Central Nervous System Atypical Teratoid/Rhabdoid Tumor   SeeChildhood Central Nervous System Atypical Teratoid/Rhabdoid Tumor Treatment.
 
Central Nervous System Germ Cell Tumors    
Germinomas    
Teratomas Immature teratomas
Mature teratomas
Teratomas with malignant transformation
Non-Germinomatous Germ Cell Tumors Choriocarcinoma
Embryonal carcinoma
Mixed germ cell tumors
Yolk sac tumor
 
Craniopharyngioma   SeeChildhood Craniopharyngioma Treatment.
 
Ependymoma   SeeChildhood Ependymoma Treatment.
 
Tumors of the Choroid Plexus    

Treatment of Newly Diagnosed and Recurrent Childhood Spinal Cord Tumors

Tumors of many different cell types may form in the spinal cord. Low-grade spinal cord tumors usually do not spread. High-grade spinal cord tumors may spread to other places in the spinal cord or to the brain. See the following PDQ summaries for more information on staging and treatment of newly diagnosed and recurrent childhood spinal cord tumors:

To Learn More About Childhood Brain and Spinal Cord Tumors

For more information about childhood brain and spinal cord tumors, see the following:

For more childhood cancer information and other general cancer resources, see the following:

Changes to This Summary (02 / 01 / 2013)

The PDQ cancer information summaries are reviewed regularly and updated as new information becomes available. This section describes the latest changes made to this summary as of the date above.

Editorial changes were made to this summary.

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About PDQ

PDQ is a comprehensive cancer database available on NCI's Web site.

PDQ is the National Cancer Institute's (NCI's) comprehensive cancer information database. Most of the information contained in PDQ is available online at NCI's Web site. PDQ is provided as a service of the NCI. The NCI is part of the National Institutes of Health, the federal government's focal point for biomedical research.

PDQ contains cancer information summaries.

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 are available in two versions. The health professional versions provide detailed information written in technical language. The patient versions are written in easy-to-understand, nontechnical language. Both versions provide current and accurate cancer information.

Images in the PDQ summaries are used with permission of the author(s), artist, and/or publisher for use within the PDQ summaries only. Permission to use images outside the context of PDQ information must be obtained from the owner(s) and cannot be granted by the National Cancer Institute. Information about using the illustrations in the PDQ summaries, along with many other cancer-related images, are available in Visuals Online, a collection of over 2,000 scientific images.

The PDQ cancer information summaries are developed by cancer experts and reviewed regularly.

Editorial Boards made up of experts in oncology and related specialties are responsible for writing and maintaining the cancer information summaries. The summaries are reviewed regularly and changes are made as new information becomes available. The date on each summary ("Date Last Modified") indicates the time of the most recent change.

PDQ also contains information on clinical trials.

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." In the United States, about two-thirds of children with cancer are treated in a clinical trial at some point in their illness.

Listings of clinical trials are included in PDQ and are available online at NCI's Web site. Descriptions of the trials are available in health professional and patient versions. For additional help in locating a childhood cancer clinical trial, call the Cancer Information Service at 1-800-4-CANCER (1-800-422-6237).

The PDQ database contains listings of groups specializing in clinical trials.

The Children's Oncology Group (COG) is the major group that organizes clinical trials for childhood cancers in the United States. Information about contacting COG is available on the NCI Web site or from the Cancer Information Service at 1-800-4-CANCER (1-800-422-6237).

Last Revised: 2013-02-01


If you want to know more about cancer and how it is treated, or if you wish to know about clinical trials for your type of cancer, you can call the NCI's Cancer Information Service at 1-800-422-6237, toll free. A trained information specialist can talk with you and answer your questions.



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