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    Brain tumor - children

    Glioblastoma multiforme - children; Ependymoma - children; Glioma - children; Astrocytoma - children; Medulloblastoma - children; Neuroglioma - children; Oligodendroglioma - children; Meningioma - children; Cancer - brain tumor (children)

    A brain tumor is a group (mass) of abnormal cells that grow in the brain.

    This article focuses on primary brain tumors in children.

    Causes

    The cause of primary brain tumors is often unknown. Some primary brain tumors are related to other syndromes or can run in a family. They can be:

    • Not cancerous (benign)
    • Invasive (spread to nearby areas)
    • Cancerous (malignant)

    Brain tumors are classified based on:

    • The exact site of the tumor
    • The type of tissue involved
    • Whether it is cancerous

    Brain tumors can directly kill brain cells. They can also damage cells by pushing on other parts of the brain. This leads to swelling and increased pressure inside the skull.

    Tumors can occur at any age. Many tumors are more common at a certain age. In general, brain tumors in children are very rare.

    COMMON TUMOR TYPES

    Astrocytomas are usually noncancerous, slow-growing tumors. They most often develop in children ages 5 to 8. Also called low-grade gliomas, these are the most common brain tumors in children.

    Medulloblastomas are the most common type of childhood brain cancer. Most medulloblastomas occur before age 10.

    Ependymomas are a type of childhood brain tumor that can be benign or malignant. Therapy to control the tumor is based on the location and type of ependymoma.

    Brainstem gliomas are very rare tumors that occur almost only in children. The average age at which they develop in children is about age 6.

    Symptoms

    Symptoms may be subtle and slowly become worse, or they may occur very quickly.

    Headaches are often the most common symptom. But only very rarely do children with headaches have a brain tumor. Headache patterns that may occur with brain tumors include:

    • Headaches that are worse when waking up in the morning and go away within a few hours
    • Headaches that get worse with coughing or exercise, or with a change in body position
    • Headaches that occur while sleeping and with at least one other symptom such as vomiting or confusion

    Sometimes, the only symptoms of brain tumors are mental changes, which may include:

    • Changes in personality and behavior
    • Unable to concentrate
    • Increased sleep
    • Memory loss
    • Problems with reasoning

    Other possible symptoms are:

    • Seizures
    • Unexplained frequent vomiting
    • Gradual loss of movement or feeling in an arm or leg
    • Hearing loss with or without dizziness
    • Speech difficulty
    • Unexpected vision problem (if it occurs with a headache), including vision loss (peripheral vision) in one or both eyes, or double vision
    • Problems with balance
    • Weakness or numbness in part of the body

    Exams and Tests

    Your child's health care provider will perform a physical exam. Infants may have the following physical signs:

    Older children with brain tumors may have the following physical signs or symptoms:

    • Headache
    • Vomiting
    • Vision changes
    • Change how the child walks (gait)
    • Weakness or numbness of a specific body part
    • Head tilt

    The following tests may be used to detect a brain tumor and identify its location:

    Treatment

    The treatment depends on the size and type of tumor and the child's general health. The goals of treatment may be to cure the tumor, relieve symptoms, and improve brain function or the child's comfort.

    Surgery is needed for most primary brain tumors. Some tumors may be completely removed. In cases where the tumor can't be removed, surgery may help reduce pressure and relieve symptoms. Chemotherapy or radiation therapy may be used for certain tumors.

    The following are treatments for specific types of tumors:

    • Astrocytoma: Surgery to remove the tumor is the main treatment. Chemotherapy or radiation therapy may also be needed.
    • Brainstem gliomas: Surgery may not be possible because of the tumor's location deep in the brain. Radiation is used to shrink the tumor and prolong life. Sometimes targeted chemotherapy can be used.
    • Ependymomas: Treatment includes surgery. Radiation and chemotherapy may be necessary.
    • Medulloblastomas: Surgery alone does not cure this type of tumor. Chemotherapy with or without radiation is often used in combination with surgery.

    Medicines used to treat children with primary brain tumors include:

    • Corticosteroids to reduce brain swelling
    • Diuretics (water pills) to reduce brain swelling and pressure
    • Anticonvulsants to reduce or prevent seizures
    • Pain medicines
    • Chemotherapy to help shrink the tumor or prevent the tumor from growing back

    Comfort measures, safety measures, physical therapy, occupational therapy, and other such steps may be required to improve quality of life.

    Support Groups

    You can ease the stress of illness by joining a cancer support group. Sharing with others who have common experiences and problems can help you and your child feel less alone.

    Outlook (Prognosis)

    How well a child does depends on many things, including the type of tumor. In general, about 3 out of 4 children survive at least 5 years after being diagnosed.

    Long-term brain and nervous system problems may result from the tumor itself or from its treatment. Children may have problems with attention, focus, or memory. They may also have problems processing information, planning, insight, or initiative or desire to do things.

    Children younger than age 7, especially younger than age 3, seem to be at greatest risk of these complications.

    Parents need to make sure that children receive support services at home and at school.

    When to Contact a Medical Professional

    Contact a provider if a child develops headaches that do not go away or other symptoms of a brain tumor.

    Go to the emergency room if a child develops any of the following:

    • Physical weakness
    • Change in behavior
    • Severe headache of unknown cause
    • Seizure of unknown cause
    • Vision changes
    • Speech changes
    Open References

    References

    National Cancer Institute website. Childhood brain and spinal cord tumors summary index (PDQ): health professional version. www.cancer.gov/types/brain/hp/child-brain-treatment-pdq. Updated December 19, 2023. Accessed July 29, 2025.

    Zaky W. Central nervous system tumors in childhood. In: Kliegman RM, St. Geme JW, Blum NJ, et al, eds. Nelson Textbook of Pediatrics. 22nd ed. Philadelphia, PA: Elsevier; 2025:chap 546.

      • Brain

        Brain - illustration

        The major areas of the brain have one or more specific functions.

        Brain

        illustration

      • Primary brain tumor

        Primary brain tumor - illustration

        A primary brain tumor is a mass created by the growth or uncontrolled proliferation of cells in the brain.

        Primary brain tumor

        illustration

        • Brain

          Brain - illustration

          The major areas of the brain have one or more specific functions.

          Brain

          illustration

        • Primary brain tumor

          Primary brain tumor - illustration

          A primary brain tumor is a mass created by the growth or uncontrolled proliferation of cells in the brain.

          Primary brain tumor

          illustration

        A Closer Look

         

        Tests for Brain tumor - children

         

        Review Date: 7/17/2025

        Reviewed By: Joseph V. Campellone, MD, Department of Neurology, Cooper Medical School at Rowan University, Camden, NJ. Review provided by VeriMed Healthcare Network. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.

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