Childhood Brain and Spinal Cord Tumors Treatment Overview (PDQ®): Treatment - Patient Information [NCI]

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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. Tumors may be benign (noncancerous) or malignant (cancerous).

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:

  • The cerebrum is the largest part of the brain. It is at the top of the head. The cerebrum controls thinking, learning, problem solving, emotions, speech, reading, writing, and voluntary movement.
  • The cerebellum, which is in the lower back of the brain (near the middle of the back of the head), controls movement, balance, and posture.
  • The brain stem connects the brain to the spinal cord. It is in the lowest part of the brain (just above the back of the neck). The brain stem controls breathing, heart rate, and the nerves and muscles used in seeing, hearing, walking, talking, and eating.

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, such as a signal from the brain to cause muscles to move or from the skin to the brain about the sense of touch.

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 treatment summary on Adult Brain Tumors for more information.)

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, which are tumors formed by cancer cells that begin in other parts of the body and spread to the brain or spinal cord, is not covered in this summary.

There are different types of childhood brain and spinal cord tumors.

Childhood brain and spinal cord tumors are named based on the type of cell they formed in and where the tumor first formed in the CNS.

Astrocytomas

Childhood astrocytomas are tumors that form in cells called astrocytes. They can be low-grade or high-grade tumors. The grade of the tumor describes how abnormal the cancer cells look under a microscope and how quickly the tumor is likely to grow and spread. High-grade astrocytomas are fast-growing, malignant tumors. Low-grade astrocytomas are slow-growing tumors that are less likely to be malignant.

Atypical Teratoid/Rhabdoid Tumor

Childhood atypical teratoid/rhabdoid tumors are fast-growing tumors that often form in the cerebellum. They may also form in other parts of the brain and in the spinal cord. (See the PDQ summary on Childhood Central Nervous System Atypical Teratoid/Rhabdoid Tumor Treatment for more information.)

Brain Stem Glioma

Childhood brain stem gliomas form in the brain stem (the part of the brain connected to the spinal cord). (See the PDQ summary on Childhood Brain Stem Glioma Treatment for more information.)

Central Nervous System Embryonal Tumor

Childhood CNS embryonal tumors form in brain and spinal cord cells when the fetus is beginning to develop. They include the following types of tumors:

  • CNS atypical teratoid/rhabdoid tumors (See the PDQ summary on Childhood Central Nervous System Atypical Teratoid/Rhabdoid Tumor Treatment for more information.)
  • Ependymoblastoma
  • Medulloblastoma
  • Medulloepithelioma
  • Pinealparenchymal tumors
  • Pineoblastoma
  • Supratentorialprimitive neuroectodermal tumors (SPNET)

(See the PDQ summary on Childhood Central Nervous System Embryonal Tumors Treatment for more information.)

Central Nervous System Germ Cell Tumor

Childhood CNS germ cell tumors form in germ cells, which are cells that develop into sperm or ova (eggs). There are different types of childhood germ cell tumors. These include germinomas, embryonal yolk sac carcinomas, choriocarcinomas, and teratomas. A mixed germ cell tumor has two types of germ cell tumors in it. Germ cell tumors can be either benign or malignant.

Germ cell brain tumors usually form in the center of the brain, near the pineal gland. The pineal gland is a tiny organ in the brain that makes melatonin, which is a substance that helps control the sleeping and waking cycle. Germ cell tumors can spread to other parts of the brain and spinal cord.

Craniopharyngioma

Childhood craniopharyngiomas are tumors that usually form just above the pituitary gland. The pituitary gland is found in the center of the brain behind the back of the nose. It is about the size of a pea and controls many important body functions including growth. Craniopharyngiomas rarely spread, but may affect important areas of the brain, such as the pituitary gland. (See the PDQ summary on Childhood Craniopharyngioma Treatment for more information.)

Ependymoma

Childhood ependymomas are slow-growing tumors formed in cells that line the fluid-filled spaces in the brain and spinal cord. (See the PDQ summary on Childhood Ependymoma Treatment for more information.)

Medulloblastoma

Childhood medulloblastomas form in the cerebellum. (See the PDQ summary on Childhood Central Nervous System Embryonal Tumors Treatment for more information.)

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 brain.

Supratentorial Primitive Neuroectodermal Tumor

Childhood supratentorial primitive neuroectodermal tumors (SPNET) form in immature cells in the cerebrum. (See the PDQ treatment summary on Childhood Central Nervous System Embryonal Tumors Treatment for more information.)

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. A doctor should be consulted if any of the following problems occur:

Brain Tumors

  • Morning headache or headache that goes away after vomiting.
  • Frequent nausea and vomiting.
  • Vision, hearing, and speech problems.
  • Loss of balance and trouble walking.
  • Unusual sleepiness or change in activity level.
  • Unusual changes in personality or behavior.
  • Seizures.
  • Increase in the head size (in infants).

Spinal Cord Tumors

  • Back pain or pain that spreads from the back towards the arms or legs.
  • A change in bowel habits or trouble urinating.
  • Weakness in the legs.
  • Trouble walking.

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:

  • Physical exam and history: An exam of the body to check general signs of health, including checking for signs of disease, such as lumps or anything else that seems unusual. A history of the patient's health habits and past illnesses and treatments will also be taken.
  • Neurological exam: A series of questions and tests to check the brain, spinal cord, and nerve function. The exam checks a person's mental status, coordination, and ability to walk normally, and how well the muscles, senses, and reflexes work. This may also be called a neuro exam or a neurologic exam.
  • Serum tumor marker test: A procedure in which a sample of blood is examined to measure the amounts of certain substances released into the blood by organs, tissues, or tumor cells in the body. Certain substances are linked to specific types of cancer when found in increased levels in the blood. These are called tumor markers.
  • MRI (magnetic resonance imaging) with gadolinium: A procedure that uses a magnet, radio waves, and a computer to make a series of detailed pictures of the brain and spinal cord. A substance called gadolinium is injected into a vein. The gadolinium collects around the cancer cells so they show up brighter in the picture. This procedure is also called nuclear magnetic resonance imaging (NMRI).
  • CT scan (CAT scan): A procedure that makes a series of detailed pictures of areas inside the body, taken from different angles. The pictures are made by a computer linked to an x-ray machine. A dye may be injected into a vein or swallowed to help the organs or tissues show up more clearly. This procedure is also called computed tomography, computerized tomography, or computerized axial tomography.
  • Angiogram: A procedure to look at blood vessels and the flow of blood in the brain. A contrast dye is injected into the blood vessel. As the contrast dye moves through the blood vessel, x-rays are taken to see if there are any blockages.
  • PET scan (positron emission tomography scan): A procedure to find malignant tumor cells in the body. A small amount of radioactiveglucose (sugar) is injected into a vein. The PET scanner rotates around the body and makes a picture of where glucose is being used in the body. Malignant tumor cells show up brighter in the picture because they are more active and take up more glucose than normal cells do.

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.

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

  • Immunohistochemistry study: A laboratory test in which a substance such as an antibody, dye, or radioisotope is added to a sample of cancer tissue to test for certain antigens. This type of study is used to tell the difference between different types of cancer.
  • Light and electron microscopy: A laboratory test in which cells in a sample of tissue are viewed under regular and high-powered microscopes to look for certain changes in the cells.
  • Cytogenetic analysis: A laboratory test in which cells in a sample of tissue are viewed under a microscope to look for certain changes in the chromosomes.

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:

  • Whether there are any cancer cells left after surgery.
  • The type of tumor.
  • The location of the tumor.
  • The child's age.
  • Whether the tumor has just been diagnosed or has recurred (come back).

Stages of 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 type of tumor and where the tumor formed in the brain.
  • Whether the tumor is newly diagnosed or recurrent. A newly diagnosed brain or spinal cord tumor is one that has never been treated. 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, or spinal cord. Sometimes they come back in another part of the body. The tumor may come back many years after first being treated. Tests and procedures, including biopsy, that were done to diagnose and stage the tumor may be done to find out if the tumor has recurred.
  • The grade of the 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. It is important to know the grade of the tumor and if there were any cancer cells remaining after surgery in order to plan treatment. The grade of the tumor is not used to plan treatment for all types of brain and spinal cord tumors.
  • The tumor risk group. Risk groups are either average risk and poor risk or low, intermediate, and high risk. The risk groups are based on the amount of tumor remaining after surgery, the spread of cancer cells within the brain and spinal cord or to other parts of the body, where the tumor has formed, and the age of the child. The risk group is not used to plan treatment for all types of brain and spinal cord tumors.

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:

  • Lumbar puncture: A procedure used to collect cerebrospinal fluid from the spinal column. This is done by placing a needle into the spinal column. Lumbar puncture is usually not used to stage childhood spinal cord tumors. This procedure is also called an LP or spinal tap.
    Lumbar puncture; drawing shows a patient lying in a curled position on a table and a spinal needle (a long, thin needle) being inserted into the lower back. Inset shows a close-up of the spinal needle inserted into the cerebrospinal fluid (CSF) in the lower part of the spinal column.
    Lumbar puncture. A patient lies in a curled position on a table. After a small area on the lower back is numbed, a spinal needle (a long, thin needle) is inserted into the lower part of the spinal column to remove cerebrospinal fluid (CSF, shown in blue). The fluid may be sent to a laboratory for testing.
  • Bone scan: A procedure to check if there are rapidly dividing cells, such as cancer cells, in the bone. A very small amount of radioactive material is injected into a vein and travels through the bloodstream. The radioactive material collects in the bones and is detected by a scanner.
  • Chest x-ray: An x-ray of the organs and bones inside the chest. An x-ray is a type of energy beam that can go through the body and onto film, making a picture of areas inside the body.
  • Bone marrow aspiration and biopsy: The removal of bone marrow, blood, and a small piece of bone by inserting a hollow needle into the hipbone or breastbone. A pathologist views the bone marrow, blood, and bone under a microscope to look for signs of cancer.
    Bone marrow aspiration and biopsy; drawing shows a patient lying face down on a table and a Jamshidi needle (a long, hollow needle) being inserted into the hip bone. Inset shows the Jamshidi needle being inserted through the skin into the bone marrow of the hip bone.
    Bone marrow aspiration and biopsy. After a small area of skin is numbed, a Jamshidi needle (a long, hollow needle) is inserted into the patient's hip bone. Samples of blood, bone, and bone marrow are removed for examination under a microscope.

There are three ways that cancer spreads in the body.

The three ways that cancer spreads in the body are:

  • Through tissue. Cancer invades the surrounding normal tissue.
  • Through the lymph system. Cancer invades the lymph system and travels through the lymph vessels to other places in the body.
  • Through the blood. Cancer invades the veins and capillaries and travels through the blood to other places in the body.

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.

Recurrent Childhood Brain and Spinal Cord Tumors

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 may 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 confirm 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 pediatriconcologist, 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:

  • Neurosurgeon.
  • Neurologist.
  • Neuro-oncologist.
  • Neuropathologist.
  • Neuroradiologist.
  • Radiation oncologist.
  • Endocrinologist.
  • Psychologist.
  • Ophthalmologist.
  • Rehabilitation specialist.
  • Social worker.
  • Nursespecialist.

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:

  • Physical problems.
  • 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 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 as discussed in 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.

Radiation therapy to the brain can affect growth and development in young children. For this reason, clinical trials are studying ways of using chemotherapy to delay, reduce, or end the need for radiation therapy. Also, ways of giving radiation therapy that lessen damage to healthy brain tissue are being used. Stereotactic radiosurgery is a type of radiation therapy that uses a rigid head frame attached to the skull to aim high-dose radiation beams directly at the tumors, which causes less damage to nearby healthy tissue. It is also called stereotaxic radiosurgery and radiation surgery. This procedure does not involve surgery.

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 spinal column, 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 clinical trials database.

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 condition has changed or if the cancer has recurred (come back). These tests are sometimes called follow-up tests or check-ups.

Treatment Options by Type of Childhood Brain and Spinal Cord Tumor

A link to a list of current clinical trials is included for each treatment section. For some types or stages of cancer, there may not be any trials listed. Check with your doctor for clinical trials that are not listed here but may be right for you.

Childhood Astrocytoma

Childhood astrocytomas include both low-grade and high-grade astrocytomas. See the PDQ summary on Childhood Astrocytomas Treatment for more information.

Childhood Atypical Teratoid/Rhabdoid Tumor

See the PDQ summary on Childhood Central Nervous System Atypical Teratoid/Rhabdoid Tumor Treatment for information.

Childhood Brain Stem Glioma

See the PDQ summary on Childhood Brain Stem Glioma Treatment for information.

Childhood Central Nervous System Embryonal Tumors

Childhood central nervous system (CNS) embryonal tumors include CNS atypical teratoid/rhabdoid tumors (see the PDQ summary on Childhood Central Nervous System Atypical Teratoid/Rhabdoid Tumor Treatment for more information), ependymoblastoma, medulloblastoma, medulloepithelioma, pinealparenchymaltumors, pineoblastoma, and supratentorialprimitive neuroectodermal tumors.(See the PDQ summary on Childhood Central Nervous System Embryonal Tumors Treatment for more information.)

Check for U.S. clinical trials from NCI's PDQ Cancer Clinical Trials Registry that are now accepting patients with childhood embryonal tumor. For more specific results, refine the search by using other search features, such as the location of the trial, the type of treatment, or the name of the drug. General information about clinical trials is available from the NCI Web site.

Childhood Central Nervous System Germ Cell Tumors

Treatment of childhood CNSgerm cell tumors may include:

  • Radiation therapy, usually to the whole brain and spine.
  • Chemotherapy.

Check for U.S. clinical trials from NCI's PDQ Cancer Clinical Trials Registry that are now accepting patients with childhood central nervous system germ cell tumor. For more specific results, refine the search by using other search features, such as the location of the trial, the type of treatment, or the name of the drug. General information about clinical trials is available from the NCI Web site.

Childhood Craniopharyngioma

(See the PDQ summary on Childhood Craniopharyngioma Treatment for information.)

Check for U.S. clinical trials from NCI's PDQ Cancer Clinical Trials Registry that are now accepting patients with childhood craniopharyngioma. For more specific results, refine the search by using other search features, such as the location of the trial, the type of treatment, or the name of the drug. General information about clinical trials is available from the NCI Web site.

Childhood Ependymoma

See the PDQ summary on Childhood Ependymoma Treatment for information.

Childhood Medulloblastoma

See the PDQ summary on Childhood Central Nervous System Embryonal Tumors Treatment for information.

Childhood Spinal Cord Tumors

Treatment of childhood spinal cordtumors may include the following:

  • Surgery with or without radiation therapy.
  • Chemotherapy. (In very young children, chemotherapy is used only for low-grade tumors.)

Check for U.S. clinical trials from NCI's PDQ Cancer Clinical Trials Registry that are now accepting patients with childhood spinal cord neoplasm. For more specific results, refine the search by using other search features, such as the location of the trial, the type of treatment, or the name of the drug. General information about clinical trials is available from the NCI Web site.

Childhood Supratentorial Primitive Neuroectodermal Tumors and Pineoblastoma

See the PDQ treatment summary on Childhood Central Nervous System Embryonal Tumors Treatment for information.

To Learn More About Childhood Brain and Spinal Cord Tumors

For more information from the National Cancer Institute about childhood brain and spinal cord tumors, see the following:

  • What You Need To Know About™ Brain Tumors
  • Pediatric Brain Tumor Consortium (PBTC)

For more childhood cancer information and other general cancer resources from the National Cancer Institute, see the following:

  • What You Need to Know About™ Cancer - An Overview
  • Childhood Cancers
  • CureSearch - National Childhood Cancer Foundation Children's Oncology Group
  • Late Effects of Treatment for Childhood Cancer
  • Adolescents and Young Adults with Cancer
  • Young People with Cancer: A Handbook for Parents
  • Care for Children and Adolescents with Cancer: Questions and Answers
  • Understanding Cancer Series: Cancer
  • Staging: Questions and Answers
  • Coping with Cancer: Supportive and Palliative Care
  • Cancer Library
  • Information for Survivors/Caregivers/Advocates

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Changes to This Summary (10 / 15 / 2009)

The PDQcancer 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.

Changes were made to this summary to match those made to the health professional version.

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.

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).

Date Last Modified: 2009-10-15


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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