Things to consider:

  • There are no premalignant (or in-situ) stages
  • Even low-grade and benign tumors are dengerous (destruction/increase IcP)
  • Gliomas rarely spread outside the CNS

Gliomas

Types

Based on the differentiation of the tumor cell:

  • Astrocytomas
  • Oligodendrogliomas
  • Ependymomas

Astrocytomas

Most common adult glioma. As with other tumors, higher grade = worse prognosis.

Types and grades

  • Low-grade (relatively benign)
    • Pilocytic astrocytoma (WHO grade I)
      • Most often comes with a cystic growth
        • The cyst is more concerning than

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