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EnglishWe have developed a tomograph for single photon emission imaging (SPECT) of the breast for the detection of small size tumors. The SPECT is mounted on a ring that is rotating around the breast with the patient in prone position. The breast will be imaged by two opposing detector heads of approximately 5 x 15 cm(2) each, with a field of view about 13 cm wide. Each head is made up of one pixilated NaI crystal matrix coupled to three Hamamatsu H8500 PMTs. A "general purpose" lead collimator is positioned in front of the crystal. Detailed simulations have been made for the optimization and the evaluation of the detector performances. Monte Carlo results indicate that tumors of 8 mm diameter are detectable with a tumor/background uptake ratio of 5:1. The experimental characterization of the detector head is presented. The rotating ring is now being assembled. (C) 2007 Elsevier B.V. All rights reserved.
| Autori interni: | ||
| Autori: | Vecchio S; Belcari N; Bennati P; Camarda M; Campanini R; Cinti MN; Del Guerra A; Iampieri E; Lanconelli N; Pani R; Spontoni L | |
| Titolo: | A single photon emission computer tomograph for breast cancer imaging RID F-8402-2011 | |
| Anno del prodotto: | 2007 | |
| Digital Object Identifier (DOI): | 10.1016/j.nima.2007.07.034 | |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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