Anderle, Kristjan (2016)
In Silico Comparison of Photons versus Carbon Ions in Single Fraction Therapy of Lung Cancer.
Technische Universität Darmstadt
Dissertation, Erstveröffentlichung
Kurzbeschreibung (Abstract)
Stereotactic body image guided radiation therapy (SBRT) shows excellent results for the local control of early stage lung cancer. However, not all patients are eligible for SBRT, and advanced stage treatment is less successful and often associated with severe side effects. Scanned carbon ion therapy (PT) can deliver more conformal dose likely benefiting these patient groups.
Therefore an \textit{in silico} trial was conducted on early and advanced stage patients to identify potential advantages of PT. The patients were treated with SBRT at Champalimaud Center for the Unknown, Lisbon (Portugal). PT plans were simulated on 4DCTs, and rescanning was investigated for motion mitigation in 4D-dose calculations. A dedicated strategy for 4D intensity modulated particle therapy (IMPT) was developed and applied for advanced stage patients with multiple lesions. For clinically valid and reliable results the deformable image registration - necessary for 4D-dose calculation - a quality assurance tool was developed and applied in the study.
The results showed that target coverage was comparable in SBRT and PT, while PT delivered significantly lower doses to most critical structures, especially the heart, lungs, and esophagus. A highly complex case of advanced stage lung cancer could be treated in a single fraction of 24~Gy with PT, while SBRT could not deliver the full ablative dose treatment due to an excessive heart dose. The mean heart dose was reduced from 10~Gy to 0.8~Gy with PT for this specific patient.
Typ des Eintrags: | Dissertation | ||||
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Erschienen: | 2016 | ||||
Autor(en): | Anderle, Kristjan | ||||
Art des Eintrags: | Erstveröffentlichung | ||||
Titel: | In Silico Comparison of Photons versus Carbon Ions in Single Fraction Therapy of Lung Cancer | ||||
Sprache: | Englisch | ||||
Referenten: | Durante, Prof. Dr. Marco | ||||
Publikationsjahr: | 14 Juni 2016 | ||||
Ort: | Darmstadt | ||||
Datum der mündlichen Prüfung: | 4 Juli 2016 | ||||
URL / URN: | http://tuprints.ulb.tu-darmstadt.de/5567 | ||||
Kurzbeschreibung (Abstract): | Stereotactic body image guided radiation therapy (SBRT) shows excellent results for the local control of early stage lung cancer. However, not all patients are eligible for SBRT, and advanced stage treatment is less successful and often associated with severe side effects. Scanned carbon ion therapy (PT) can deliver more conformal dose likely benefiting these patient groups. Therefore an \textit{in silico} trial was conducted on early and advanced stage patients to identify potential advantages of PT. The patients were treated with SBRT at Champalimaud Center for the Unknown, Lisbon (Portugal). PT plans were simulated on 4DCTs, and rescanning was investigated for motion mitigation in 4D-dose calculations. A dedicated strategy for 4D intensity modulated particle therapy (IMPT) was developed and applied for advanced stage patients with multiple lesions. For clinically valid and reliable results the deformable image registration - necessary for 4D-dose calculation - a quality assurance tool was developed and applied in the study. The results showed that target coverage was comparable in SBRT and PT, while PT delivered significantly lower doses to most critical structures, especially the heart, lungs, and esophagus. A highly complex case of advanced stage lung cancer could be treated in a single fraction of 24~Gy with PT, while SBRT could not deliver the full ablative dose treatment due to an excessive heart dose. The mean heart dose was reduced from 10~Gy to 0.8~Gy with PT for this specific patient. |
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URN: | urn:nbn:de:tuda-tuprints-55676 | ||||
Sachgruppe der Dewey Dezimalklassifikatin (DDC): | 500 Naturwissenschaften und Mathematik > 530 Physik | ||||
Fachbereich(e)/-gebiet(e): | 05 Fachbereich Physik 05 Fachbereich Physik > Institut für Festkörperphysik (2021 umbenannt in Institut für Physik Kondensierter Materie (IPKM)) > Biophysik 05 Fachbereich Physik > Institut für Festkörperphysik (2021 umbenannt in Institut für Physik Kondensierter Materie (IPKM)) |
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Hinterlegungsdatum: | 17 Jul 2016 19:55 | ||||
Letzte Änderung: | 17 Jul 2016 19:55 | ||||
PPN: | |||||
Referenten: | Durante, Prof. Dr. Marco | ||||
Datum der mündlichen Prüfung / Verteidigung / mdl. Prüfung: | 4 Juli 2016 | ||||
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