Spatially fractionated proton minibeams.
Br. J. Radiol. 91:20180466 (2019)
Extraordinary normal tissue response to highly spatially fractionated X-ray beams has been explored for over 25 years. More recently, alternative radiation sources have been developed and utilized with the aim to evoke comparable effects. These include protons, which lend themselves well for this endeavour due to their physical depth dose characteristics as well as corresponding variable biological effectiveness. This paper addresses the motivation for using protons to generate spatially fractionated beams and reviews the technological implementations and experimental results to date. This includes simulation and feasibility studies, collimation and beam characteristics, dosimetry and biological considerations as well as the results of in vivo and in vitro studies. Experimental results are emerging indicating an extraordinary normal tissue sparing effect analogous to what has been observed for synchrotron generated X-ray microbeams. The potential for translational research and feasibility of spatially modulated proton beams in clinical settings is discussed.
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Publikationstyp
Artikel: Journalartikel
Dokumenttyp
Review
Typ der Hochschulschrift
Herausgeber
Schlagwörter
Equivalent Uniform Dose ; Microbeam Radiotherapy ; Normal Tissue Sparing ; Relative Biological Effectiveness ; Spatially Fractionated Radiation Therapy; Microbeam Radiation-therapy; Glioma-bearing Rats; Microplanar Beams; 9l Gliosarcoma; Spinal-cord; Synchrotron; Brain; Radiotherapy; Irradiation; Skin
Keywords plus
Sprache
englisch
Veröffentlichungsjahr
2019
Prepublished im Jahr
2018
HGF-Berichtsjahr
2018
ISSN (print) / ISBN
0007-1285
e-ISSN
1748-880X
ISBN
Bandtitel
Konferenztitel
Konferzenzdatum
Konferenzort
Konferenzband
Quellenangaben
Band: 91,
Heft: 1095,
Seiten: ,
Artikelnummer: 20180466
Supplement: ,
Reihe
Verlag
British Institute of Radiology N.S
Verlagsort
36 Portland Place, London W1n 4at, England
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Prüfer
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0000-00-00
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0000-00-00
Anmelder/Inhaber
weitere Inhaber
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Priorität
Begutachtungsstatus
Peer reviewed
POF Topic(s)
30203 - Molecular Targets and Therapies
Forschungsfeld(er)
Radiation Sciences
PSP-Element(e)
G-501300-001
Förderungen
Copyright
Erfassungsdatum
2018-12-13