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Epileptogenic glioma in a 4-year-old child: a case report

Ai Muroi1, Shingo Takano, Kaishi Satomi

  • 1Department of Neurosurgery, University of Tsukuba, 1-1-1 Tennoudai, Tsukuba, Ibaraki, 305-8575, Japan.

Brain Tumor Pathology
|November 4, 2010
PubMed

Insights

This study details a rare epileptogenic glioma in a child, originating from glial progenitor cells and presenting as astrocytic and oligodendrocytic tumors. Surgical resection led to excellent seizure control, highlighting a favorable prognosis for this specific glioma type.

Area of Science:

  • Neuro-oncology
  • Pediatric Neurology
  • Pathology

Background:

  • Epileptogenic gliomas are rare brain tumors associated with seizures.
  • Understanding the cellular origin and differentiation pathways is crucial for diagnosis and treatment.

Observation:

  • A 4-year-old girl presented with a year-long history of complex partial seizures.
  • MRI revealed a left temporal lobe mass with cystic and contrast-enhancing components.
  • Histopathology showed a low-grade glioma with both astrocytic and oligodendrocytic features, originating from glial progenitor cells.

Findings:

  • The tumor demonstrated low cellularity, low mitotic activity (MIB-1 = 1%), and specific immunohistochemical markers (GFAP+, olig2+, S100+).
  • The final pathological diagnosis was epileptogenic glioma, grade I, composed of glial progenitor cells.
  • Postoperative seizure control was achieved following subtotal tumor resection.

Implications:

  • This case expands the understanding of glioma heterogeneity and epileptogenesis.
  • Highlights the potential for favorable outcomes in well-characterized low-grade epileptogenic gliomas.
  • Emphasizes the importance of precise pathological diagnosis for guiding pediatric epilepsy surgery.

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