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A digital detector for breast computed tomography at the SYRMEP beam line

Venanzi, C; Bergamaschi, A; Bruni, F; Dreossi, D; Longo, R; Olivo, A; ... Castelli, E; + view all (2005) A digital detector for breast computed tomography at the SYRMEP beam line. In: NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT. (pp. 264 - 268). ELSEVIER SCIENCE BV: AMSTERDAM, NETHERLANDS.

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Abstract

A silicon strip detector in edge on configuration with a single photon counting read-out electronics was developed for the MATISSE (MAmmographic and Tomographic Imaging with Silicon detectors and Synchrotron radiation at Elettra) project. MATISSE is an experiment aiming at a pre-clinical phase of breast computed tomography examinations at the SYRMEP (SYnchrotron Radiation for MEdical Physics) beamline at the Elettra synchrotron light source in Trieste (Italy). A monochromatic beam in the energy range 8-35 keV is available at SYRMEP. The MATISSE detector is side illuminated, thus allowing direct conversion of X-rays with a high efficiency. The read-out electronics operates in single photon counting mode, maximizing the contrast resolution of the images. Thanks to the characteristics of the radiation spectrum 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 that will be presented in this contribution.

Type:Proceedings paper
Title:A digital detector for breast computed tomography at the SYRMEP beam line
Event:4th Workshop on Medical Applications of Synchrotron Radiation (MARS2004)
Location:Trieste, ITALY
Dates:2004-09-23 - 2004-09-25
DOI:10.1016/j.nima.2005.03.100
Publisher version:http://www.elsevier.com/locate/nima
Keywords:SYNCHROTRON-RADIATION, DETECTION SYSTEM, MAMMOGRAPHY, ELECTRONICS, PHANTOM, RISK
UCL classification:UCL > School of BEAMS > Faculty of Engineering Science > Medical Physics and Bioengineering

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