An experimental demonstration of a new type of proton computed tomography using a novel silicon tracking detector

Taylor, J. T. and Poludniowski, G. and Waltham, C. and Allport, P. P. and Casse, G. L. and Esposito, M. and Evans, P. P. and Green, S. and Manger, S. and Manolopoulos, S. and Nieto-Camero, J. and Parker, D. J. and Symons, J. and Allinson, Nigel (2016) An experimental demonstration of a new type of proton computed tomography using a novel silicon tracking detector. Medical Physics, 43 (11). pp. 6129-6136. ISSN 0094-2405

Full content URL: https://doi.org/10.1118/1.4965809

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Item Type:Article
Item Status:Live Archive

Abstract

Radiography and tomography using proton beams promises benefit to image-guidance and treatment planning for proton therapy. A novel proton tracking detector is described and experimental demon- strations at a therapy facility reported. A new type of proton CT reconstructing relative ‘scattering-power’ rather than ‘stopping-power’ is also demonstrated.
Notably, this new type of imaging does not require the measurement of the residual energies of the protons.
Successful tracking of protons through a thick target (phantom) has demonstrated that the tracker discussed in this paper can provide the precise directional information needed to perform proton radiography and tomography. When synchronized with a range telescope, this could enable the reconstruction of proton CT images of stopping power. Furthermore, by measuring the deflection of many protons through a phantom it was demonstrated that it is possible to reconstruct a new kind of CT image (scattering power) based upon this tracking information alone.

Keywords:Proton therapy, particle therapy, silicon strip detector, proton computed tomography, JCOpen
Subjects:F Physical Sciences > F350 Medical Physics
B Subjects allied to Medicine > B800 Medical Technology
Divisions:College of Science > School of Computer Science
ID Code:24621
Deposited On:12 Oct 2016 14:25

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