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Childhood Brain Stem Glioma Treatment (PDQ®)

  • Last Modified: 07/24/2013

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Stages of Childhood Brain Stem Glioma



The plan for cancer treatment depends on whether the tumor is in one area of the brain or has spread throughout the brain.

Staging is the process used to find out how much cancer there is and if cancer has spread. It is important to know the stage in order to plan treatment.

There is no standard staging system for childhood brain stem glioma. Instead, the plan for cancer treatment depends on whether the tumor is diffuse (spread throughout the brain) or focal (in one area of the brain):

  • Diffuse intrinsic pontine glioma is a tumor that has spread widely throughout the brain stem. A biopsy is usually not done for this type of brain stem glioma and it is not removed by surgery. A diffuse intrinsic pontine glioma is usually diagnosed using imaging studies.
  • Focal or low-grade glioma is a tumor that is in one area of the brain stem. A biopsy may be done and the tumor removed during the same surgery.

The information from tests and procedures done to detect (find) childhood brain stem glioma is used to plan cancer treatment.

Some of the tests used to detect childhood brain stem glioma are repeated if the tumor is removed by surgery. (See the General Information section.) This is to find out how much tumor remains after surgery and plan further treatment.