Pani, R and Cinti, MN and Scafe, R and Soluri, A and Pellegrini, R and Indovina, L and De Vincentis, G and Trotta, G and Burgio, N and Ciavola, C and Garibaldi, F and Urcioli, GM and Zavattini, G and Di Domenico, G and Bollini, D and Lanconelli, N and Olivo, A and Pani, S and RIgon, L and Del Guerra, A (2000) Imaging evaluation of CsI(Tl) arrays for scintimammography. In: Nuclear Science Symposium Conference Record, 2000 IEEE. (pp. 21/105 - 21/108). IEEE: NEW YORK, NY 10017 USA.
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Abstract
We propose the use of Hamamatsu R7600-C8 position sensitive photomultiplier tubes (PSPMTs) as a practical tool for imaging in scintimammography, through the evaluation of performance as a function of scintillation array pixellation in collimated configurations. A number of CsI(Tl) scintillating arrays with different pixel size and thickness are tested. The very high intrinsic spatial resolution of R7600 PSPMTs made it easy to implement a look up table to correct accurately the gain nonuniformity response and position distortion. Finally, an SNR analysis of a small tumor in scintimammography as a function of crystal pixellation is performed by means of a simple breast phantom
| Type: | Proceedings paper |
|---|---|
| Title: | Imaging evaluation of CsI(Tl) arrays for scintimammography |
| Event: | IEEE Nuclear Science Symposium |
| Location: | Lyon , France |
| Dates: | 2000-10-15 - 2000-10-20 |
| ISBN: | 0-7803-6503-8 |
| DOI: | 10.1109/NSSMIC.2000.949361 |
| Publisher version: | http://www.ieeexplore.ieee.org/ |
| UCL classification: | UCL > School of BEAMS > Faculty of Engineering Science > Medical Physics and Bioengineering |
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