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On-line monitoring and PET imaging of proton radiotherapy beams

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11 Author(s)
Litzenberg, D.W. ; Dept. of Phys., Michigan Univ., Ann Arbor, MI, USA ; Bajema, J.F. ; Becchetti, F.D. ; Roberts, D.A.
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We have performed experiments which indicate that online monitoring of proton radiotherapy beams in tissue is feasible. Using a two-dimensional array of on-line BGO detectors, it is possible to image the production of β+-emitting isotopes (mainly 11 C, 13N, and 15O) as a function of tissue depth and time with pulsed proton beams of sufficiently low current. These measurements allow the dose and range of charged particle radiotherapy beams to be measured directly while the treatment is being delivered

Published in:

Nuclear Science Symposium and Medical Imaging Conference, 1994., 1994 IEEE Conference Record  (Volume:4 )

Date of Conference:

30 Oct-5 Nov 1994