# OnCo record pci-term (term). 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/terms/pci-term/>
  a schema:DefinedTerm ;
  onco:kind "term" ;
  schema:identifier "pci-term" ;
  schema:name "Prophylactic cranial irradiation (PCI)"@en ;
  schema:alternateName "PCI"@en, "cranial irradiation"@en ;
  schema:description "Giving the brain a preventive dose of radiation (25 Gy in 10 sessions) before any metastasis can be seen, mainly in small-cell lung cancer, which spreads to the brain in over half of patients. Its value is disputed now that MRI surveillance is routine, and cognitive side effects push practice towards watching instead."@en ;
  schema:url <https://onco.cc/terms/pci-term/> ;
  schema:dateModified "2026-09-09"^^xsd:date ;
  schema:sameAs <https://en.wikipedia.org/wiki/Prophylactic_cranial_irradiation> ;
  schema:citation <https://en.wikipedia.org/wiki/Prophylactic_cranial_irradiation> ;
  onco:related <https://onco.cc/technologies/prophylactic-cranial-irradiation/>, <https://onco.cc/terms/wbrt/>, <https://onco.cc/terms/brain-metastases/>, <https://onco.cc/terms/intrathecal-therapy/> ;
  onco:cancers <https://onco.cc/cancers/sclc/> ;
  onco:sections <https://onco.cc/fronts/radiation/> .