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Related Experiment Videos

[Neurosurgery using the Gamma Knife].

P Várady1, P Dheerendra, I Nyáry

  • 1Országos Idegsebészeti Tudományos Intézet, Budapest.

Orvosi Hetilap
|March 26, 1999
PubMed
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Gamma Knife radiosurgery precisely targets intracranial pathologies with high-dose radiation. This minimally invasive technique offers a safe alternative to open surgery for various brain tumors and functional syndromes.

Area of Science:

  • Neurosurgery
  • Radiation Oncology
  • Medical Physics

Background:

  • Gamma Knife radiosurgery is a specialized neurosurgical technique for treating diverse intracranial conditions.
  • It utilizes focused, high-dose ionizing radiation delivered in a single fraction through the intact skull.
  • The technique precisely targets intracranial volumes, minimizing risk to surrounding healthy neural tissues.

Purpose of the Study:

  • To review the technical and radiobiological principles of Gamma Knife radiosurgery.
  • To outline the broad range of clinical indications for this neurosurgical method.
  • To present outcome results and discuss limitations based on clinical practice.

Main Methods:

  • Stereotactic targeting of intracranial lesions.

Related Experiment Videos

  • Delivery of a single high-dose fraction of ionizing radiation.
  • Focusing multiple radiation beams on the defined target volume.

    • Main Results:

    • Gamma Knife radiosurgery is effective for treating tumors (e.g., meningiomas, gliomas, metastases) and functional syndromes (e.g., trigeminal neuralgia, epilepsy).
    • It serves as a safe alternative to open cranial surgery, with low morbidity and no mortality.
    • Clinical effects are observed over months, requiring follow-up studies.

    Conclusions:

    • Gamma Knife radiosurgery is an established, minimally invasive treatment for numerous intracranial pathologies.
    • Its application depends on lesion characteristics like histology, size, and location.
    • The technique provides a safe neurosurgical option for high-risk patients.