# OnCo record gamma-knife (technology). Data CC BY-NC 4.0, attribute "Data from OnCo (onco.cc)". Whole corpus: https://onco.cc/api/v1/onco.nt
@prefix schema: <https://schema.org/> .
@prefix onco: <https://onco.cc/ns#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<https://onco.cc/technologies/gamma-knife/>
  a schema:MedicalTherapy ;
  onco:kind "technology" ;
  schema:identifier "gamma-knife" ;
  schema:name "Gamma Knife"@en ;
  schema:description "The original radiosurgery machine: about two hundred cobalt-60 sources arranged in a shielded helmet whose beams cross at one point inside the brain, so a metastasis or benign tumour a few millimetres across receives a destructive dose in a single visit while the brain around it is spared."@en ;
  schema:url <https://onco.cc/technologies/gamma-knife/> ;
  schema:dateModified "2026-09-17"^^xsd:date ;
  schema:sameAs <https://en.wikipedia.org/wiki/Radiosurgery> ;
  schema:citation <https://www.elekta.com/products/neurosurgery/>, <https://en.wikipedia.org/wiki/Radiosurgery> ;
  onco:status "established" ;
  onco:tag "machines-wave" ;
  onco:related <https://onco.cc/technologies/cyberknife/>, <https://onco.cc/technologies/zap-x/>, <https://onco.cc/technologies/cobalt-60-teletherapy/>, <https://onco.cc/technologies/prophylactic-cranial-irradiation/> ;
  onco:cancers <https://onco.cc/cancers/brain-tumours/>, <https://onco.cc/cancers/metastatic-cancer/>, <https://onco.cc/cancers/pituitary-tumours/>, <https://onco.cc/cancers/secondary-brain-tumours/>, <https://onco.cc/cancers/meningioma/>, <https://onco.cc/cancers/vestibular-schwannoma/> ;
  onco:sections <https://onco.cc/fronts/radiation/>, <https://onco.cc/fronts/devices/> ;
  onco:technologies <https://onco.cc/technologies/radiosurgery-srs/>, <https://onco.cc/technologies/sbrt/> ;
  onco:companies <https://onco.cc/companies/elekta/> ;
  onco:institutions <https://onco.cc/institutions/karolinska/>, <https://onco.cc/institutions/upmc-hillman/>, <https://onco.cc/institutions/ucsf/>, <https://onco.cc/institutions/mayo-clinic/>, <https://onco.cc/institutions/johns-hopkins/>, <https://onco.cc/institutions/cleveland-clinic/>, <https://onco.cc/institutions/mgh/>, <https://onco.cc/institutions/md-anderson/>, <https://onco.cc/institutions/nyu-perlmutter/>, <https://onco.cc/institutions/sunnybrook-odette/>, <https://onco.cc/institutions/uclh/>, <https://onco.cc/institutions/aiims-delhi/>, <https://onco.cc/institutions/taipei-veterans-general-hospital/>, <https://onco.cc/institutions/severance/>, <https://onco.cc/institutions/snuh/>, <https://onco.cc/institutions/samsung-medical-center/> ;
  onco:terms <https://onco.cc/terms/stereotactic-radiosurgery/>, <https://onco.cc/terms/wbrt/>, <https://onco.cc/terms/radiation-necrosis/> ;
  onco:trials <https://onco.cc/trials/nct03439709/>, <https://onco.cc/trials/nct00582075/>, <https://onco.cc/trials/nct01011231/> .