SwePub
Sök i SwePub databas

  Extended search

Träfflista för sökning "id:"swepub:oai:lup.lub.lu.se:1f2cde86-c42e-4a60-92e6-2756e794582a" "

Search: id:"swepub:oai:lup.lub.lu.se:1f2cde86-c42e-4a60-92e6-2756e794582a"

  • Result 1-1 of 1
Sort/group result
   
EnumerationReferenceCoverFind
1.
  • Knöös, Tommy, et al. (author)
  • Limitations of a pencil beam approach to photon dose calculations in lung tissue
  • 1995
  • In: Physics in Medicine and Biology. - : IOP Publishing. - 1361-6560 .- 0031-9155. ; 40:9, s. 1411-1420
  • Journal article (peer-reviewed)abstract
    • A common limitation in treatment planning systems for photon dose calculation is to ignore the impact on electron transport and photon scatter from patient heterogeneities. The heterogeneity correlation is often based on scaling operations along beam rays as for the method according to Batho or the more novel approach of 1D convolutions along beam paths applied in pencil-beam-based systems. The effects of the limitation have been studied in a mediastinum geometry for a wide range of beam qualities by comparing the results from a pencil-beam-based treatment planning system with the results from Monte Carlo calculations. As expected, the deviations within unit-density volumes are small while deviations in low-density volumes increase with increasing beam energy from approximately 3% for 4 MV to 14% for 18 MV x-rays as a result of increased electron disequilibrium.
  •  
Skapa referenser, mejla, bekava och länka
  • Result 1-1 of 1
Type of publication
journal article (1)
Type of content
peer-reviewed (1)
Author/Editor
Knöös, Tommy (1)
Nilsson, Per (1)
Ahnesjö, Anders (1)
Weber, Lars (1)
University
Lund University (1)
Language
English (1)
Research subject (UKÄ/SCB)
Medical and Health Sciences (1)
Year
1995 (1)

Kungliga biblioteket hanterar dina personuppgifter i enlighet med EU:s dataskyddsförordning (2018), GDPR. Läs mer om hur det funkar här.
Så här hanterar KB dina uppgifter vid användning av denna tjänst.

 
pil uppåt Close

Copy and save the link in order to return to this view