Comparison of conformal radiotherapy, intensity-modulated radiotherapy and tomotherapy irradiation techniques in prostate cancers

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dc.contributor.authorTugrul, Taylan
dc.contributor.authorOlacak, Nezahat
dc.contributor.authorKoylu, Murat
dc.date.accessioned2019-10-27T09:41:42Z
dc.date.available2019-10-27T09:41:42Z
dc.date.issued2019
dc.departmentEge Üniversitesien_US
dc.description.abstractAim The aim of this study is to compare three-dimensional conformal radiotherapy (3D-CRT), intensity-modulated radiotherapy (IMRT) and tomotherapy techniques used in the treatment of prostate cancer with target and critical organ doses to be included. Materials and Methods The target dose was studied with 4-and 6-field 3D-CRT, 7-field IMRT and tomotherapy techniques used to treat ten patients for prostate cancer and the dose volume histograms of critical organs were analyzed. The same target volumes, critical organs doses prescribed and treatment times for the three techniques were compared. Total dose of 76 Gy was given using 6 MV and 18 MV for 3D-CRT, 6 MV for IMRT and tomotherapy techniques. Results When we compare the three techniques, for rectum V-35(p:0 center dot 001), V-65(p:0 center dot 001), D-50(p:0 center dot 020) and D-25(p:0 center dot 002), for bladder V-50(p:0 center dot 027), V-65(p:0 center dot 006), V-100(p:0 center dot 006) and for femoral head, the V-50(p:0 center dot 001) dose was found to be significantly different and more favourable in the tomotherapy technique. Significant differences were found with IMRT planning in 50% of bladder volume (p:0 center dot 002). There is no significant difference between the three techniques for doses of 100% volume of rectum and 25% of volume of bladder. The minimum dose that healthy tissue received which was outside the tumour volume was investigated. Findings Doses to critical organs were lower using the tomotherapy technique. However, the minimum doses that healthy tissue received were higher for the tomotherapy technique. When the beam on times were compared for all three techniques, a significant difference was found in favor of tomotherapy.en_US
dc.identifier.doi10.1017/S1460396918000766
dc.identifier.endpage279en_US
dc.identifier.issn1460-3969
dc.identifier.issn1467-1131
dc.identifier.issn1460-3969en_US
dc.identifier.issn1467-1131en_US
dc.identifier.issue3en_US
dc.identifier.scopusqualityN/Aen_US
dc.identifier.startpage276en_US
dc.identifier.urihttps://doi.org/10.1017/S1460396918000766
dc.identifier.urihttps://hdl.handle.net/11454/28669
dc.identifier.volume18en_US
dc.identifier.wosqualityN/Aen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherCambridge Univ Pressen_US
dc.relation.ispartofJournal of Radiotherapy in Practiceen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subject3D-CRTen_US
dc.subjectIMRTen_US
dc.subjectprostate canceren_US
dc.subjectradiotherapyen_US
dc.subjecttomotherapyen_US
dc.titleComparison of conformal radiotherapy, intensity-modulated radiotherapy and tomotherapy irradiation techniques in prostate cancersen_US
dc.typeArticleen_US

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