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Childhood Extracranial Germ Cell Tumors Treatment Option Overview

There are different types of treatment for children with extracranial germ cell tumors.

Different types of treatments are available for children with extracranial germ cell 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. Some clinical trials are open only to patients who have not started treatment.

Children with extracranial germ cell tumors should have their treatment planned by a team of health care providers who are experts in treating cancer in children.

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 extracranial germ cell tumors and who specialize in certain areas of medicine. These may include the following specialists:

  • Pediatrician.
  • Pediatric surgeon.
  • Pediatric hematologist.
  • Radiation oncologist.
  • Endocrinologist.
  • Pediatric nurse specialist.
  • Rehabilitation specialist.
  • Child life professional.
  • Psychologist.
  • Social worker.
  • Geneticist.
  • Fertility specialist.

The following types of treatment are used:

Surgery

Surgery to completely remove the tumor is done whenever possible. If the tumor is very large, chemotherapy may be given first, to make the tumor smaller and decrease the amount of tissue that needs to be removed during surgery. A goal of surgery is to keep reproductive function. The following types of surgery may be used:

  • Resection: Surgery to remove tissue or part or all of an organ.
  • Radical inguinal orchiectomy: Surgery to remove one or both testicles through an incision (cut) in the groin.
  • Unilateral salpingo-oophorectomy: Surgery to remove one ovary and one fallopian tube on the same side.

After the doctor removes all the cancer that can be seen at the time of the surgery, some patients may be given chemotherapy after surgery to kill any cancer cells that are left. Treatment given after surgery, to lower the risk that the cancer will come back, is called adjuvant therapy.

Observation

Observation is closely monitoring a patient's condition without giving any treatment until signs or symptoms appear or change. For children with extracranial germ cell tumors, this includes physical exams, imaging tests, and tumor marker tests.

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). Systemic chemotherapy is used to treat extracranial germ cell tumors.

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. Learn more at Clinical Trials Information for Patients and Caregivers.

High-dose chemotherapy with stem cell transplant

High doses of chemotherapy are given to kill cancer cells. Healthy cells, including blood-forming cells, are also destroyed by the cancer treatment. Stem cell transplant is a treatment to replace the blood-forming cells. 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 patient completes chemotherapy, 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.

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. External radiation therapy uses a machine outside the body to send radiation toward the area of the body with cancer. External radiation therapy is being studied for the treatment of childhood extracranial germ cell tumors that have come back.

Treatment for childhood extracranial germ cell tumors may cause side effects.

To learn more about side effects that begin during treatment for cancer, visit Side Effects.

Side effects from cancer treatment that begin after treatment and continue for months or years are called late effects. Late effects of cancer treatment may include the following:

  • Physical problems, such as infertility, trouble hearing and kidney problems.
  • Changes in mood, feelings, thinking, learning, or memory.
  • Second cancers (new types of cancer), such as leukemia or malignant melanoma.

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. For more information, see Late Effects of Treatment for Childhood Cancer.

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.

As your child goes through treatment, they will have follow-up tests or check-ups. Some tests that were done to diagnose or stage the cancer may be repeated 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).

For childhood extracranial germ cell tumors, follow-up may include regular physical exams, tumor marker tests, and imaging tests such as CT scan, MRI or chest x-ray.

This information is not intended to replace the advice of a doctor. Navigating Care disclaims any liability for the decisions you make based on this information. This information was sourced and adapted from Adapted from the National Cancer Institute's Physician Data Query (PDQ®) Cancer Information Summaries on www.cancer.gov.