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A digital detection system for synchrotron radiation breast tomography

Venanzi, C; Bergamaschi, A; Dreossi, D; Longo, R; Olivo, A; Pani, S; Castelli, E; (2004) A digital detection system for synchrotron radiation breast tomography. In: Seibert, JA, (ed.) (Proceedings) IEEE Nuclear Science Symposium/Medical Imaging Conference. (pp. pp. 4654-4656). IEEE: NEW YORK, NY 10017 USA.

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A silicon strip detector in edge-on configuration with a single photon counting (SPC) read-out electronics was developed for the MATISSE (MAmmographic and Tomographic Imaging with Silicon detectors and Synchrotron radiation [SR] at Elettra) project. MATISSE is an experiment of the interdisciplinary sector of the INFN (Istituto Nazionale di Fisica Nucleare), aiming at a pre-clinical phase of tomo-mammographic examinations at SYRMEP (Synchrotron Radiation for Medical Physics) beamline of Elettra, the Trieste SR facility. With a high intensity SR source it is possible to obtain practically monochromatic laminar beams, in the energy range 8-35 keV. The MATISSE detector is side illuminated, thus allowing direct, high efficiency, conversion of X-rays. The read out electronics operates in SPC mode, maximizing the signal-to-noise ratio of the images. Thanks to the characteristics of the radiation source and to the high efficiency of the detector, the dose delivered in a tomographic examination results comparable to the one delivered in planar conventional mammography. Detector prototypes have been assembled and tested with promising results. New tests and first tomographic images of phantoms and 'in vitro' samples have been planned in the next months at the SYRMEP beamline.

Type: Proceedings paper
Title: A digital detection system for synchrotron radiation breast tomography
Event: IEEE Nuclear Science Symposium/Medical Imaging Conference
Location: Rome, Italy
Dates: 16 October 2004 - 22 October 2004
Publisher version: http://www.ieeexplore.ieee.org/
Keywords: digital mammography, synchrotron radiation, computed tomography, single photon counting
UCL classification: UCL > School of BEAMS
UCL > School of BEAMS > Faculty of Engineering Science
URI: http://discovery.ucl.ac.uk/id/eprint/116801
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