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Less common intraparenchymal tumors.

Jeremy C Ganz1

  • 1Department of Neurosurgery, Haukeland University Hospital, Bergen, Norway.

Progress in Brain Research
|January 25, 2022
PubMed
Summary

Gamma Knife non-invasive surgery (GKNS) shows promise for treating rare brain tumors like neurocytomas and lymphomas. Further research is needed to establish its role in managing other rare intraparenchymal tumors.

Area of Science:

  • Neurosurgery
  • Oncology
  • Radiosurgery

Background:

  • Intraparenchymal brain tumors encompass a diverse range of rare neoplasms.
  • Management strategies for these tumors vary significantly based on tumor type and location.
  • The role of specialized treatments like Gamma Knife non-invasive surgery (GKNS) requires ongoing investigation.

Purpose of the Study:

  • To review the current management of various rare intraparenchymal tumors.
  • To evaluate the potential role and efficacy of Gamma Knife non-invasive surgery (GKNS) in treating these rare neoplasms.
  • To identify areas requiring further research for consensus in GKNS application.

Main Methods:

  • Literature review of rare intraparenchymal tumors and their management.
  • Analysis of existing data on the application of Gamma Knife non-invasive surgery (GKNS).
Keywords:
EpendymomasMedulloblastomasNeurocytomasPineal region tumorsPrimary central nervous system lymphomas

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  • Assessment of treatment outcomes and challenges associated with GKNS for specific tumor types.

    • Main Results:

    • GKNS demonstrates limited applicability for tumors such as medulloblastomas and ependymomas.
    • Promising outcomes are observed for neurocytomas, primary central nervous system lymphomas, and papillary pineal tumors treated with GKNS.
    • Insufficient data currently exists to define the role of GKNS in managing choroid plexus papillomas.

    Conclusions:

    • GKNS offers potential therapeutic benefits for select rare intraparenchymal brain tumors.
    • Continued research is essential to determine the definitive role of GKNS in the management of pineal region tumors due to their complexity and variability.
    • Establishing a consensus on GKNS management requires further investigation into its efficacy across diverse rare tumor types.