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Brain Cancer Health Center

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Childhood Brain Stem Glioma Treatment (PDQ®): Treatment - Health Professional Information [NCI] - Stage Information for Childhood Brain Stem Glioma

There is no generally applied staging system for childhood brain stem glioma.[1]

Brain stem gliomas are classified according to the following:

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  • Location.
  • Radiographic appearance.
  • Histology (when obtained).

Brain stem gliomas may occur in the pons, midbrain, tectum, dorsum of the medulla at the cervicomedullary junction, or in multiple regions of the brain stem. The tumor may contiguously involve the cerebellar peduncles, cerebellum, the cervical spinal cord, and/or thalamus. The majority of childhood brain stem gliomas are diffuse astrocytomas that involve the pons (diffuse intrinsic pontine gliomas [DIPGs]), often with contiguous involvement of other brain stem sites.[2,3]

It is uncommon for these tumors to have spread outside the brain stem itself at the time of initial diagnosis. Spread of malignant brain stem tumors is usually contiguous, with metastasis via the subarachnoid space. Such dissemination may occur prior to local relapse but usually occurs simultaneously with or after local disease relapse.[4]


  1. Freeman CR, Farmer JP: Pediatric brain stem gliomas: a review. Int J Radiat Oncol Biol Phys 40 (2): 265-71, 1998.
  2. Laigle-Donadey F, Doz F, Delattre JY: Brainstem gliomas in children and adults. Curr Opin Oncol 20 (6): 662-7, 2008.
  3. Khatua S, Moore KR, Vats TS, et al.: Diffuse intrinsic pontine glioma-current status and future strategies. Childs Nerv Syst 27 (9): 1391-7, 2011.
  4. Sethi R, Allen J, Donahue B, et al.: Prospective neuraxis MRI surveillance reveals a high risk of leptomeningeal dissemination in diffuse intrinsic pontine glioma. J Neurooncol 102 (1): 121-7, 2011.

    This information is produced and provided by the National Cancer Institute (NCI). The information in this topic may have changed since it was written. For the most current information, contact the National Cancer Institute via the Internet web site at http:// cancer .gov or call 1-800-4-CANCER.

    WebMD Public Information from the National Cancer Institute

    Last Updated: 8/, 015
    This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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