# Nuclide record tumour-to-background-ratio (term). Data CC BY-NC 4.0, attribute "Data from Nuclide (nuclide.cc)". Whole corpus: https://nuclide.cc/api/v1/nuclide.nt
@prefix schema: <https://schema.org/> .
@prefix nuclide: <https://nuclide.cc/ns#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<https://nuclide.cc/terms/tumour-to-background-ratio/>
  a schema:DefinedTerm ;
  nuclide:kind "term" ;
  schema:identifier "tumour-to-background-ratio" ;
  schema:name "Tumour-to-background ratio (TBR)"@en ;
  schema:description "A simple number that says how much brighter a tumour looks on a scan compared with the normal tissue around it or nearby. A higher ratio makes a tumour easier to see and count."@en ;
  schema:url <https://nuclide.cc/terms/tumour-to-background-ratio/> ;
  schema:dateModified "2026-09-22"^^xsd:date ;
  schema:citation <https://radiopaedia.org/articles/tissue-to-background-ratio?lang=us>, <https://escholarship.org/content/qt7480171k/qt7480171k_noSplash_75492753629cf0018dd0db00b41434a0.pdf> ;
  nuclide:tag "quantitative imaging", "SUV", "response assessment" ;
  nuclide:related <https://nuclide.cc/terms/suv/>, <https://nuclide.cc/technologies/quantitative-imaging-biomarkers/>, <https://nuclide.cc/terms/krenning-score/>, <https://nuclide.cc/terms/psma-rads/>, <https://nuclide.cc/technologies/fdg-pet/> .