How accurate is image guided radiation therapy (IGRT) delivered with a micro-irradiator?

M. Oldham, Joseph R Newton, L. Rankine, J. Adamovics, D. Kirsch, S. Das

Research output: Contribution to journalConference article

Abstract

There is significant interest in delivering precisely targeted small-volume radiation treatments, in the pre-clinical setting, to study dose-volume relationships with tumor control and normal tissue damage. In this work we investigate the IGRT targeting accuracy of the XRad225Cx system from Precision x-Ray using high resolution 3D dosimetry techniques. Initial results revealed a significant targeting error of about 2.4mm. This error was reduced to within 0.5mm after the IGRT hardware and software had been recalibrated. The facility for 3D dosimetry was essential to gain a comprehensive understanding of the targeting error in 3D.

Original languageEnglish (US)
Article number012070
JournalJournal of Physics: Conference Series
Volume444
Issue number1
DOIs
StatePublished - Jan 1 2013
Externally publishedYes
Event7th International Conference on 3D Radiation Dosimetry, IC3DDose 2012 - Sydney, NSW, Australia
Duration: Dec 4 2012Dec 8 2012

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radiation therapy
dosimeters
hardware
tumors
damage
computer programs
dosage
high resolution
radiation
x rays

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

How accurate is image guided radiation therapy (IGRT) delivered with a micro-irradiator? / Oldham, M.; Newton, Joseph R; Rankine, L.; Adamovics, J.; Kirsch, D.; Das, S.

In: Journal of Physics: Conference Series, Vol. 444, No. 1, 012070, 01.01.2013.

Research output: Contribution to journalConference article

Oldham, M. ; Newton, Joseph R ; Rankine, L. ; Adamovics, J. ; Kirsch, D. ; Das, S. / How accurate is image guided radiation therapy (IGRT) delivered with a micro-irradiator?. In: Journal of Physics: Conference Series. 2013 ; Vol. 444, No. 1.
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