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Imaging evaluation of CsI(Tl) arrays for scintimammography

Pani, R; Cinti, MN; Scafe, R; Soluri, A; Pellegrini, R; Indovina, L; De Vincentis, G; (2000) Imaging evaluation of CsI(Tl) arrays for scintimammography. Presented at: IEEE Nuclear Science Symposium, Lyon , France.

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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: Conference item (UNSPECIFIED)
Title: Imaging evaluation of CsI(Tl) arrays for scintimammography
Event: IEEE Nuclear Science Symposium
Location: Lyon , France
Dates: 15 October 2000 - 20 October 2000
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
UCL > School of BEAMS > Faculty of Engineering Science > Medical Physics and Bioengineering
URI: http://discovery.ucl.ac.uk/id/eprint/116790
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