VMAT to arclet plan conversion in a treatment planning system : Feasibility and dosimetric relationship between VMAT, arclet, and stationary fields.
Aim: The aim of this study was to make dynamic rotation treatment with mARC available for the non-dedicated Philips Pinnacle treatment planning system by converting SmartArc plans, offering insight into the relationship between SmartArc, mARC, and stationary field irradiation.Methods: A scripting so...
| Publicado en: | Strahlentherapie und Onkologie Vol. 191; no. 12; pp. 961 - 970 |
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| Autores principales: | , , , , , |
| Formato: | research Journal Article |
| Publicado: |
Springer Nature
Dec2015
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| Acceso en línea: | Ver este registro en EBSCOhost |
| fields | @attributes: recordID: 1 pdfLink: plink: https://search.ebscohost.com/login.aspx?direct=true&db=ccm&AN=111160626&site=ehost-live header: @attributes: shortDbName: ccm uiTerm: 111160626 longDbName: CINAHL Complete uiTag: AN controlInfo: bkinfo: dissinfo: jinfo: jid: 01797158 NZE jtl: Strahlentherapie und Onkologie issn: 01797158 maglogo: N pubinfo: dt: Dec2015 vid: 191 iid: 12 pid: 237 pub: Springer Nature place: New York, New York artinfo: ui: 111160626 111160626 NLM26346775 111160626 10.1007/s00066-015-0889-0 NLM26346775 111160626 ppf: 961 ppct: 9 formats: fmt: @attributes: type: P tig: atl: VMAT to arclet plan conversion in a treatment planning system : Feasibility and dosimetric relationship between VMAT, arclet, and stationary fields. aug: au: Dzierma, Yvonne Licht, Norbert Norton, Ian Nuesken, Frank Rübe, Christian Fleckenstein, Jochen Rübe, Christian affil: Department of Radiotherapy, Saarland University Medical Center, Kirrberger Straße 6.5 66421 Homburg/Saar Germany sug: subj: Radiotherapy, Computer-Assisted Methods Radiotherapy, Conformal Methods Image Processing, Computer Assisted Tomography, X-Ray Computed Methods Software Design Human Algorithms Image Enhancement Methods Radiometry Imaging, Three-Dimensional Methods Validation Studies Comparative Studies Evaluation Research Multicenter Studies ab: Aim: The aim of this study was to make dynamic rotation treatment with mARC available for the non-dedicated Philips Pinnacle treatment planning system by converting SmartArc plans, offering insight into the relationship between SmartArc, mARC, and stationary field irradiation.Methods: A scripting solution is presented that can be run in the Pinnacle system. This allows for the conversion of SmartArc plans into mARC format. The dose distribution of the converted mARC plan can be evaluated both in the form of a "real" mARC plan with arclets and-as is generally done in treatment planning systems certified for mARC planning-by approximating the arclets as stationary fields. We present the proof of principle and dosimetric comparisons.Results: The converted plans were irradiated without problems. For the measured 3D dose distributions, on average over 90 % points agreed with the calculated dose distributions (mARC and stationary field plans) within the gamma criteria of 3 % deviation in the local dose, 3-mm distance to agreement, for all dose values above 10 % of the maximum. The agreement between the three calculated dose distributions (SmartArc with both converted plans) was above 87 % (above 92 % when comparing mARC with stationary fields).Conclusion: Our solution offers the possibility of mARC planning in Pinnacle. The dose comparisons furthermore prove that the dosimetric differences between SmartArc and mARC, when appropriately translated, are minor. Ziel: Diese Studie präsentiert die Konversion von SmartArc-Plänen in mARC-Format innerhalb des Philips Pinnacle Bestrahlungsplanungssystems und vergleicht SmartArc, mARC und Stehfeldbestrahlungstechniken. Methoden: Innerhalb des Pinnacle-Systems wird die Konversion von SmartArc- zu mARC-Plänen skriptbasiert durchgeführt. Die resultierenden Dosisverteilungen werden sowohl mit einem Plan mit Arclet-Abstrahlung als auch mit angenäherten Stehfelder-Plänen verglichen. Ergebnisse: Die konvertierten Pläne können problemlos abgestrahlt werden. Die gemessenen 3D-Dosisverteilungen liegen innerhalb der Gamma-Kriterien (über 90 % der Punkte innerhalb 3 % lokaler Dosis und 3 mm Distanz zur Übereinstimmung, für alle Dosiswerte oberhalb 10 % des Maximums). Die 3 berechneten Dosisverteilungen (SmartArc, mARC, Stehfelder) weisen über 87 % Übereinstimmung auf (mARC mit Stehfeld-Plänen über 92 %). Schlussfolgerung: Unsere Lösung erlaubt die mARC-Planung im Philips-Pinnacle-Bestrahlungsplanungssystem. Die Dosisvergleiche zeigen, dass vernachlässigbare Unterschiede zwischen SmartArc und mARC bestehen, wenn die Pläne angemessen umgewandelt werden. pubtype: Academic Journal doctype: research Journal Article ougenre: Article language: English refInfo: holdings: @attributes: islocal: N |
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