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Related Experiment Video

Updated: Jun 19, 2026

Co-culture of Glutamatergic Neurons and Pediatric High-Grade Glioma Cells Into Microfluidic Devices to Assess Electrical Interactions
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Pediatric low-grade gliomas.

Angela J Sievert1, Michael J Fisher

  • 1Division of Oncology, Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA.

Journal of Child Neurology
|October 21, 2009
PubMed
Summary
This summary is machine-generated.

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Pediatric low-grade gliomas are diverse brain tumors. While surgery offers high survival for resectable tumors, challenging cases like optic pathway gliomas require chemotherapy and radiotherapy, which have significant toxicities.

Area of Science:

  • Pediatric neuro-oncology
  • Cancer biology
  • Tumorigenesis

Background:

  • Pediatric low-grade gliomas (PLGGs) are a heterogeneous group of brain tumors.
  • Cerebellar pilocytic astrocytomas and supratentorial diffuse fibrillary astrocytomas are common subtypes.
  • The RAS/RAF/MEK pathway is implicated in PLGG tumorigenesis.

Purpose of the Study:

  • To review the current understanding of pediatric low-grade gliomas.
  • To discuss treatment strategies and outcomes for different PLGG subtypes.
  • To highlight challenges in managing unresectable or progressive PLGGs.

Main Methods:

  • Review of current literature on pediatric low-grade gliomas.
  • Analysis of treatment modalities including surgery, chemotherapy, and radiotherapy.

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  • Discussion of prognostic factors and toxicities.

    • Main Results:

    • Complete surgical resection of PLGGs yields >90% survival at 10 years.
    • Optic pathway/hypothalamic, deep midline, and brain stem gliomas are often unresectable and difficult to treat.
    • Combination chemotherapy is a recommended front-line treatment for progressive/recurrent tumors.
    • Radiotherapy can improve survival but is associated with significant long-term toxicities.

    Conclusions:

    • Surgical resection is the primary treatment for most pediatric low-grade gliomas.
    • Challenging PLGGs require multimodal treatment approaches.
    • Balancing treatment efficacy with long-term neurocognitive and endocrine toxicities is crucial in pediatric neuro-oncology.