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Meningioma

M Kujas1

  • 1Service d'Histologie-Embryologie-Cytogenetique, Hôpital de la Pitie-Salpêtrière, Paris, France.

Current Opinion in Neurology
|December 1, 1993
PubMed
Summary

Meningiomas are often benign, but their recurrence rate is unknown. Research explores various methods, including proliferation markers and genetic abnormalities like aneuploidy, to predict meningioma aggressiveness and behavior.

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Area of Science:

  • Neuro-oncology
  • Tumor Biology
  • Cancer Genetics

Background:

  • Meningiomas are frequently benign tumors, yet their recurrence rate remains unquantified.
  • Despite extensive study, meningioma subtypes and histological features lack reliable prognostic value.
  • Predicting meningioma aggressiveness is challenging due to limited understanding of their biologic behavior.

Purpose of the Study:

  • To review current methods for assessing meningioma aggressiveness.
  • To evaluate the prognostic significance of various biological markers.
  • To identify reliable indicators of meningioma recurrence and behavior.

Main Methods:

  • Analysis of mitosis index and proliferation markers.
  • Assessment of differentiation and steroid receptor expression.
  • Evaluation of chromosomal abnormalities, including aneuploidy and chromosome 22.
  • Review of studies on growth factors, oncogenes, and related markers.

Main Results:

  • Mitosis index and proliferation markers show potential but lack definitive prognostic value.
  • Steroid receptor expression has not provided clear prognostic data.
  • Aneuploidy and chromosome 22 abnormalities are associated with poorer meningioma behavior.
  • Growth factors and oncogene expression are under investigation for prognostic insights.

Conclusions:

  • Accurate prediction of meningioma recurrence and biologic behavior requires further investigation.
  • Combining multiple assays, including genetic and molecular markers, may improve prognostic accuracy.
  • Continued research into growth factors and oncogenes is crucial for understanding meningioma aggressiveness.

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