FRINK Linked Data Fragments server

Matches in SemOpenAlex for { <https://semopenalex.org/work/W1958964904> ?p ?o ?g. }

• W1958964904 abstract "Background:: Depending on the location and depth of tumor, the electron or photon beams might be used for treatment. Electron beam have some advantages over photon beam for treatment of shallow tumors to spare the normal tissues beyond of the tumor. In the other hand, the photon beam are used for deep targets treatment. Both of these beams have some limitations, for example, the dependency of penumbra with depth, and the lack of lateral equilibrium for small electron beam fields. Objectives:: In this study, improvement of the penumbra and Dmax changes will be investigated. Also the effects of cut-outs on the beam parameters prepared as well. Patients and Methods:: In first, we simulated the conventional head configuration of Varian 2300 for 16 MeV electron, and the results approved by benchmarking the percent depth dose (PDD) and profile of the simulation and measurement. In the next step, a perforated Lead (Pb) sheet with 1 mm thickness placed at the top of the applicator holder tray. This layer producing bremsstrahlung x-ray and a part of the electrons passing through the holes, in result, we have a simultaneous mixed electron and photon beam. For making the irradiation field uniform, a layer of steel placed after the Pb layer. The simulation was performed for 10 × 10, and 4 × 4 cm2 field size. Results:: The measured R50 and RP for 10 × 10 cm2 field were 6.5 and 7.8 cm, respectively. The photon percentage for 1 mm thickness with 0.2, 0.3, and 0.5 cm holes diameter Lead layer target was about 33%, 32%, and 28% and for 2 mm targets punched with 0.2, 0.3, and 0.5 cm holes, the x-ray percentages were 43%, 41%, and 35%. Conclusions:: This study showed the advantages of mixing the electron and photon beam by reduction of pure electron’s penumbra dependency with the depth, especially for small fields, also decreasing of dramatic changes of PDD curve with irradiation field size." @default.
• W1958964904 created "2016-06-24" @default.
• W1958964904 creator A5011568499 @default.
• W1958964904 creator A5015602255 @default.
• W1958964904 creator A5017875758 @default.
• W1958964904 creator A5047921596 @default.
• W1958964904 creator A5091882891 @default.
• W1958964904 date "2015-06-12" @default.
• W1958964904 modified "2023-10-05" @default.
• W1958964904 title "Investigation of Simultaneous Photons and Electrons Beam by Monte Carlo Code" @default.
• W1958964904 cites W1993577432 @default.
• W1958964904 cites W1995326134 @default.
• W1958964904 cites W2002054274 @default.
• W1958964904 cites W2004545698 @default.
• W1958964904 cites W2025681064 @default.
• W1958964904 cites W2028096329 @default.
• W1958964904 cites W2052334516 @default.
• W1958964904 cites W2056917372 @default.
• W1958964904 cites W2094846081 @default.
• W1958964904 cites W2129022233 @default.
• W1958964904 cites W4252756785 @default.
• W1958964904 doi "https://doi.org/10.17795/rro-2358" @default.
• W1958964904 hasPublicationYear "2015" @default.
• W1958964904 type Work @default.
• W1958964904 sameAs 1958964904 @default.
• W1958964904 citedByCount "0" @default.
• W1958964904 crossrefType "journal-article" @default.
• W1958964904 hasAuthorship W1958964904A5011568499 @default.
• W1958964904 hasAuthorship W1958964904A5015602255 @default.
• W1958964904 hasAuthorship W1958964904A5017875758 @default.
• W1958964904 hasAuthorship W1958964904A5047921596 @default.
• W1958964904 hasAuthorship W1958964904A5091882891 @default.
• W1958964904 hasBestOaLocation W19589649041 @default.
• W1958964904 hasConcept C105795698 @default.
• W1958964904 hasConcept C120665830 @default.
• W1958964904 hasConcept C121332964 @default.
• W1958964904 hasConcept C147120987 @default.
• W1958964904 hasConcept C159317903 @default.
• W1958964904 hasConcept C168834538 @default.
• W1958964904 hasConcept C185544564 @default.
• W1958964904 hasConcept C192562407 @default.
• W1958964904 hasConcept C19499675 @default.
• W1958964904 hasConcept C33923547 @default.
• W1958964904 hasConcept C81302155 @default.
• W1958964904 hasConcept C95312477 @default.
• W1958964904 hasConceptScore W1958964904C105795698 @default.
• W1958964904 hasConceptScore W1958964904C120665830 @default.
• W1958964904 hasConceptScore W1958964904C121332964 @default.
• W1958964904 hasConceptScore W1958964904C147120987 @default.
• W1958964904 hasConceptScore W1958964904C159317903 @default.
• W1958964904 hasConceptScore W1958964904C168834538 @default.
• W1958964904 hasConceptScore W1958964904C185544564 @default.
• W1958964904 hasConceptScore W1958964904C192562407 @default.
• W1958964904 hasConceptScore W1958964904C19499675 @default.
• W1958964904 hasConceptScore W1958964904C33923547 @default.
• W1958964904 hasConceptScore W1958964904C81302155 @default.
• W1958964904 hasConceptScore W1958964904C95312477 @default.
• W1958964904 hasIssue "2" @default.
• W1958964904 hasLocation W19589649041 @default.
• W1958964904 hasOpenAccess W1958964904 @default.
• W1958964904 hasPrimaryLocation W19589649041 @default.
• W1958964904 hasRelatedWork W2020181737 @default.
• W1958964904 hasRelatedWork W2020482274 @default.
• W1958964904 hasRelatedWork W203141355 @default.
• W1958964904 hasRelatedWork W2042833761 @default.
• W1958964904 hasRelatedWork W2059491260 @default.
• W1958964904 hasRelatedWork W2093723738 @default.
• W1958964904 hasRelatedWork W2094339297 @default.
• W1958964904 hasRelatedWork W2594782559 @default.
• W1958964904 hasRelatedWork W2913442119 @default.
• W1958964904 hasRelatedWork W4361272414 @default.
• W1958964904 hasVolume "2" @default.
• W1958964904 isParatext "false" @default.
• W1958964904 isRetracted "false" @default.
• W1958964904 magId "1958964904" @default.
• W1958964904 workType "article" @default.