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

There is no generally applied staging system for childhood brain stem gliomas.[1] 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; metastasis via the subarachnoid space has been reported in up to 30% of cases diagnosed antemortem.[2] Such dissemination may occur prior to local relapse but usually occurs simultaneously with or after local disease relapse.[3]

The less common tumors of the midbrain, especially in the tectal plate region, have been viewed separately from those of the brain stem because they are more likely to be low grade and have a greater likelihood of long-term survival (approximately 80% 5-year progression-free survival vs. <10% for tumors of the pons).[1,4,5,6,7,8] Similarly, dorsally exophytic and cervicomedullary tumors are generally low grade and have a relatively favorable prognosis. Children younger than 3 years may have a more favorable prognosis, perhaps reflecting different biologic characteristics.[9]

Recommended Related to Brain Cancer

Background Information About Childhood Craniopharyngioma

Incidence and Presentation Craniopharyngiomas are relatively rare pediatric tumors, accounting for about 6% of all intracranial tumors in children.[1,2,3] They are believed to be congenital in origin, arising from ectodermal remnants, Rathke cleft, or other embryonal epithelium in the sellar and/or parasellar area. No predisposing factors have been identified. Because craniopharyngiomas occur in the region of the pituitary gland, endocrine function and growth may be affected. Additionally,...

Read the Background Information About Childhood Craniopharyngioma article > >

References:

  1. Freeman CR, Farmer JP: Pediatric brain stem gliomas: a review. Int J Radiat Oncol Biol Phys 40 (2): 265-71, 1998.
  2. Packer RJ, Allen J, Nielsen S, et al.: Brainstem glioma: clinical manifestations of meningeal gliomatosis. Ann Neurol 14 (2): 177-82, 1983.
  3. 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.
  4. Halperin EC, Wehn SM, Scott JW, et al.: Selection of a management strategy for pediatric brainstem tumors. Med Pediatr Oncol 17 (2): 117-26, 1989.
  5. Epstein F, McCleary EL: Intrinsic brain-stem tumors of childhood: surgical indications. J Neurosurg 64 (1): 11-5, 1986.
  6. Edwards MS, Wara WM, Ciricillo SF, et al.: Focal brain-stem astrocytomas causing symptoms of involvement of the facial nerve nucleus: long-term survival in six pediatric cases. J Neurosurg 80 (1): 20-5, 1994.
  7. Pollack IF, Pang D, Albright AL: The long-term outcome in children with late-onset aqueductal stenosis resulting from benign intrinsic tectal tumors. J Neurosurg 80 (4): 681-8, 1994.
  8. Mandell LR, Kadota R, Freeman C, et al.: There is no role for hyperfractionated radiotherapy in the management of children with newly diagnosed diffuse intrinsic brainstem tumors: results of a Pediatric Oncology Group phase III trial comparing conventional vs. hyperfractionated radiotherapy. Int J Radiat Oncol Biol Phys 43 (5): 959-64, 1999.
  9. Broniscer A, Laningham FH, Sanders RP, et al.: Young age may predict a better outcome for children with diffuse pontine glioma. Cancer 113 (3): 566-72, 2008.
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WebMD Public Information from the National Cancer Institute

Last Updated: February 25, 2014
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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