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Neuroblastoma is a disease in which malignant (cancer) cells form in nerve tissue of the adrenal gland, neck, chest, or spinal cord.
Neuroblastoma often begins in the nerve tissue of the adrenal glands . There are two adrenal glands, one on top of each kidney in the back of the upper abdomen . The adrenal glands make important hormones that help control heart rate, blood pressure , blood sugar , and the way the body reacts to stress . Neuroblastoma may also begin in the abdomen, in the chest, in nerve tissue near the spine in the neck, or in the spinal cord.
Anatomy of the female urinary system showing the kidneys, adrenal glands, ureters, bladder, and urethra. Urine is made in the renal tubules and collects in the renal pelvis of each kidney. The urine flows from the kidneys through the ureters to the bladder. The urine is stored in the bladder until it leaves the body through the urethra.
Neuroblastoma most often begins during early childhood, usually in children younger than 5 years. It sometimes forms before birth but is usually found later, when the tumor begins to grow and cause symptoms . In rare cases, neuroblastoma may be found before birth by fetal ultrasound.
By the time neuroblastoma is diagnosed , the cancer has usually metastasized (spread), most often to the lymph nodes , bones, bone marrow , liver, and skin.
(See the PDQ summary on Neuroblastoma Screening for more information.)
Neuroblastoma is sometimes caused by a gene mutation passed from the parent to the child.
Neuroblastoma is sometimes inherited (passed from the parent to the child). It usually occurs at a younger age than neuroblastoma that is not inherited. There also may be more than one tumor in the adrenal medulla in inherited neuroblastoma.
Possible signs of neuroblastoma include bone pain and a lump in the abdomen, neck, or chest.
The most common symptoms of neuroblastoma are caused by the tumor pressing on nearby tissues as it grows or by cancer spreading to the bone. These and other symptoms may be caused by neuroblastoma. Other conditions may cause the same symptoms. A doctor should be consulted if any of the following problems occur:
Less common signs of neuroblastoma include the following:
Tests that examine many different body tissues and fluids are used to detect (find) and diagnose neuroblastoma.
The following tests and procedures may be used:
Certain factors affect prognosis (chance of recovery) and treatment options.
The prognosis (chance of recovery) and treatment options depend on the following:
Prognosis and treatment decisions for neuroblastoma are also affected by tumor biology, which includes:
The tumor biology is said to be favorable or unfavorable, depending on these factors. A favorable tumor biology means there is a better chance of recovery.
In some infants, neuroblastoma may disappear without treatment. The infant is closely watched for symptoms of neuroblastoma. If symptoms occur, treatment may be needed.
After neuroblastoma has been diagnosed, tests are done to find out if cancer has spread from where it started to other parts of the body.
The process used to find out the extent or spread of cancer is called staging . The information gathered from the staging process helps determine the stage of the disease. For neuroblastoma, stage is one of the factors used to plan treatment. The following tests and procedures may be used to determine the stage:
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.
The following stages are used for neuroblastoma:
In stage 1 , the tumor is in only one area and all of the tumor that can be seen is completely removed during surgery.
Stage 2 is divided into stage 2A and 2B.
In stage 3, one of the following is true:
Stage 4 is divided into stage 4 and stage 4S.
Treatment of neuroblastoma is based on risk groups.
For many types of cancer, stages are used to plan treatment. For neuroblastoma, treatment depends on risk groups . The stage of neuroblastoma is one factor used to determine risk group. Other factors are the age of the child, tumor histology, and tumor biology.
There are 3 risk groups: low risk, intermediate risk, and high risk.
Progressive neuroblastoma is cancer that has progressed (continued to grow) during treatment. Recurrent neuroblastoma is cancer that has recurred (come back) after it has been treated. The cancer may come back in the same place or in other parts of the body.
There are different types of treatment for patients with neuroblastoma.
Different types of treatment are available for patients with neuroblastoma . 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 neuroblastoma should have their treatment planned by a team of doctors with expertise 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 care providers who are experts in treating children with neuroblastoma and who specialize in certain areas of medicine . These may include the following specialists:
Children who are treated for neuroblastoma may be at higher risk for second cancers.
Some cancer treatments cause side effects that continue or appear years after cancer treatment has ended. These are called late effects. Late effects of cancer treatment may include:
Some late effects may be treated or controlled. It is important that parents of children who are treated for neuroblastoma talk with their 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.
Five types of standard treatment are used:
Surgery is usually used to treat neuroblastoma. Depending on where the tumor is and whether it has spread, as much of the tumor as is safely possible will be removed. If the tumor cannot be removed, a biopsy may be done instead.
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 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 into 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.
The use of two or more anticancer drugs is called combination chemotherapy.
See Drugs Approved for Neuroblastoma for more information.
Biologic therapy is a treatment that uses the patient's immune system to fight cancer. Substances made by the body or made in a laboratory are used to boost, direct, or restore the body's natural defenses against cancer. This type of cancer treatment is also called biotherapy or immunotherapy.
Watchful waiting is closely monitoring a patient's condition without giving any treatment until 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 Web site.
Targeted therapy is a type of treatment that uses drugs or other substances to identify and attack specific cancer cells without harming normal cells. Monoclonal antibody therapy is one type of targeted therapy being studied in the treatment of neuroblastoma.
Monoclonal antibody therapy is a cancer treatment that uses antibodies made in the laboratory from a single type of immune system cell. These antibodies can identify substances on cancer cells or normal substances that may help cancer cells grow. The antibodies attach to the substances and kill the cancer cells, block their growth, or keep them from spreading. Monoclonal antibodies are given by infusion . They may be used alone or to deliver drugs, toxins, or radioactive material directly to cancer cells.
High-dose chemotherapy and radiation therapy with stem cell transplant
High-dose chemotherapy and radiation therapy with stem cell transplant is a way of giving high doses of chemotherapy and radiation therapy 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 chemotherapy and radiation therapy are 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.
Other drug therapy
13-cis retinoic acid is a vitamin-like drug that slows the cancer's ability to make more cancer cells and changes how these cells look and act.
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 condition has changed or if the cancer has recurred (come back). These tests are sometimes called follow-up tests or check-ups.
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.
Treatment of low-risk neuroblastoma may include the following:
Treatment of intermediate-risk neuroblastoma may include the following:
Treatment of high-risk neuroblastoma may include the following:
Patients with Recurrent CNS Neuroblastoma
Treatment for neuroblastoma that recurs (comes back) in the central nervous system (CNS; brain and spinal cord) may include the following:
Patients First Treated for Low-Risk Neuroblastoma
Treatment for recurrent neuroblastoma that is found in one place in the body may include the following:
Treatment for recurrent neuroblastoma that has spread to other parts of the body may include the following:
Patients First Treated for Intermediate-Risk Neuroblastoma
Treatment for recurrent neuroblastoma that is found in one place in the body may include the following:
For recurrent neuroblastoma that has spread to other parts of the body, treatment is usually high-dose chemotherapy , stem cell transplant , and 13-cis retinoic acid.
Patients First Treated for High-Risk Neuroblastoma
Treatment for recurrent neuroblastoma in patients first treated for high-risk neuroblastoma may include the following:
Because there is no standard treatment for recurrent neuroblastoma in patients first treated for high-risk neuroblastoma, patients may want to consider a clinical trial. For information about clinical trials, please see the NCI Web site.
Check for U.S. clinical trials from NCI's list of cancer clinical trials that are now accepting patients with neuroblastoma. 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.
For more information from the National Cancer Institute about neuroblastoma, see the following:
For more childhood cancer information and other general cancer resources from the National Cancer Institute, see the following:
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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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.
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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: 2012-02-23
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