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Edge on silicon microstrip detectors for medical imaging

Bergamaschi, A; Arfelli, F; Dreossi, D; Longo, R; Olivo, A; Pani, S; ... Castelli, E; + view all (2005) Edge on silicon microstrip detectors for medical imaging. In: NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT. (pp. 199 - 204). ELSEVIER SCIENCE BV: AMSTERDAM, NETHERLANDS.

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Abstract

Silicon microstrip detectors in the edge on geometry, i.e. oriented with the strips parallel to the incoming beam, allow a high absorption efficiency for X-rays in the 10-100 keV energy range. In medical imaging, this results in a significant reduction of the dose given to the patient with respect to conventional screen-film systems. This geometrical configuration was first proposed in the early 90s and since then it has been applied to several medical imaging projects. In this short review, an overview of some medical imaging applications using edge on detectors will be presented, focusing the attention on the main characteristics of the detection systems. The studies performed in Trieste in order to optimize such detectors for digital mammography with synchrotron radiation will be described in detail. In particular, novel imaging techniques (phase contrast, refraction and scatter imaging, computed tomography) implemented and tested at the Trieste synchrotron light source will be shortly discussed

Type:Proceedings paper
Title:Edge on silicon microstrip detectors for medical imaging
Event:12th International Workshop on Vertex Detectors Low Wood (VERTEX 2003)
Location:Lake Windermere, ENGLAND
Dates:2003-09-14 - 2003-09-14
DOI:10.1016/j.nima.2005.04.052
Publisher version:http://www.elsevier.com/locate/nima
Keywords:silicon microstrip, digital mammography, synchrotron radiation, single photon counting
UCL classification:UCL > School of BEAMS > Faculty of Engineering Science > Medical Physics and Bioengineering

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