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Gamma Knife evolving instrumentation.

Jeremy C Ganz1

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

Progress in Brain Research
|January 25, 2022
PubMed
Summary
This summary is machine-generated.

Advancements in Gamma Knife radiosurgery (GKNS) hardware and software, including the PERFEXION and ICON models, enhance treatment precision and accessibility for complex conditions. New features facilitate frameless treatments and improve radiation dose calculations.

Keywords:
CBCTDose algorithmFractionationFramelessICONInverse treatment planningMaskPERFEXION

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Area of Science:

  • Neurosurgery
  • Radiation Oncology
  • Medical Physics

Background:

  • Gamma Knife radiosurgery (GKNS) has evolved significantly.
  • Early hardware like Gamma Knife PERFEXION (2006) improved treatment space and eliminated helmet requirements.
  • Recent models address the need for more advanced treatment capabilities.

Purpose of the Study:

  • To review recent advancements in Gamma Knife radiosurgery (GKNS) hardware and software.
  • To highlight improvements in treatment precision, patient comfort, and planning capabilities.
  • To discuss the impact of these technological upgrades on managing complex intracranial conditions.

Main Methods:

  • Review of hardware specifications for Gamma Knife PERFEXION and Gamma Knife ICON.
  • Analysis of software enhancements, including improved dose calculation algorithms and inverse planning.
  • Discussion of the clinical implications of frameless treatment options and integrated imaging.

Main Results:

  • Gamma Knife PERFEXION (2006) increased treatment space and removed the need for stereotactic helmets.
  • Gamma Knife ICON (2017) introduced frameless treatment capabilities and integrated CBCT for stereotactic targeting.
  • Software improvements enhance the accuracy of intracranial radiation dose calculations and introduce inverse treatment planning.

Conclusions:

  • Modern Gamma Knife systems offer enhanced precision, flexibility, and patient comfort.
  • Technological advancements in GKNS hardware and software are expanding treatment possibilities for complex neurological conditions.
  • Continued development in inverse planning promises further optimization of radiosurgical treatments.