(WFRF:(Dasu Alexandru))
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- Antonovic, Laura,1982-Stockholms universitet,Fysikum,Stockholm University (författare)
Relative clinical effectiveness of carbon ion radiotherapy: theoretical modelling for H&N tumours
- Artikel/kapitelEngelska2015
Förlag, utgivningsår, omfång ...
- 2015-04-08
- Oxford University Press (OUP),2015
- printrdacarrier
Nummerbeteckningar
- LIBRIS-ID:oai:DiVA.org:su-102720
- https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-102720URI
- https://doi.org/10.1093/jrr/rrv016DOI
- https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-116625URI
- https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-466231URI
- http://kipublications.ki.se/Default.aspx?queryparsed=id:131970622URI
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- Språk:engelska
- Sammanfattning på:engelska
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- SwePubSwePub
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Anmärkningar
- Funding text: Radiumhemmets Forskningsfonder; Radiumhemmets Forskningsfonder, Stockholm, Sweden
- Comparison of the efficiency of photon and carbon ion radiotherapy (RT) administered with the same number of fractions might be of limited clinical interest, since a wide range of fractionation patterns are used clinically today. Due to advanced photon treatment techniques, hypofractionation is becoming increasingly accepted for prostate and lung tumours, whereas patients with head and neck tumours still benefit from hyperfractionated treatments. In general, the number of fractions is considerably lower in carbon ion RT. A clinically relevant comparison would be between fractionation schedules that are optimal within each treatment modality category. In this in silico study, the relative clinical effectiveness (RCE) of carbon ions was investigated for human salivary gland tumours, assuming various radiation sensitivities related to their oxygenation. The results indicate that, for hypoxic tumours in the absence of reoxygenation, the RCE (defined as the ratio of D50 for photons to carbon ions) ranges from 3.5 to 5.7, corresponding to carbon ion treatments given in 36 and 3 fractions, respectively, and 30 fractions for photons. Assuming that interfraction local oxygenation changes take place, results for RCE are lower than that for an oxic tumour if only a few fractions of carbon ions are used. If the carbon ion treatment is given in more than 12 fractions, the RCE is larger for the hypoxic than for the well-oxygenated tumour. In conclusion, this study showed that in silico modelling enables the study of a wide range of factors in the clinical considerations and could be an important step towards individualisation of RT treatments.
Ämnesord och genrebeteckningar
- NATURVETENSKAP Fysik hsv//swe
- NATURAL SCIENCES Physical Sciences hsv//eng
- MEDICIN OCH HÄLSOVETENSKAP Klinisk medicin Cancer och onkologi hsv//swe
- MEDICAL AND HEALTH SCIENCES Clinical Medicine Cancer and Oncology hsv//eng
- hypoxia
- RBE
- TCP
- carbon ion
- fractionation
- RCE
Biuppslag (personer, institutioner, konferenser, titlar ...)
- Dasu, AlexandruÖstergötlands Läns Landsting,Linköpings universitet,Avdelningen för radiologiska vetenskaper,Radiofysikavdelningen US,Hälsouniversitetet(Swepub:uu)aleda511 (författare)
- Furusawa, YoshiyaNational Institute of Radiological Sciences, Chiba, Japan (författare)
- Toma-Dasu, IulianaStockholms universitet,Fysikum,Karolinska Institutet, Sweden,Stockholm University and Karolinska Institutet(Swepub:su)iuda0736 (författare)
- Stockholms universitetFysikum (creator_code:org_t)
Sammanhörande titlar
- Ingår i:Journal of radiation research: Oxford University Press (OUP)56:4, s. 639-6450449-30601349-9157
Internetlänk
- https://doi.org/10.1093/jrr/rrv016Fulltext
- http://jrr.oxfordjournals.org/content/56/4/639.full.pdfFri fulltext
- https://academic.oup.com/jrr/article-pdf/56/4/639/7954943/rrv016.pdf
- https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-102720
- https://doi.org/10.1093/jrr/rrv016
- https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-116625
- https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-466231
- http://kipublications.ki.se/Default.aspx?queryparsed=id:131970622
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