An Evaluation of Semiconductor Detectors for Positron Tomography
- 1 January 1979
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Nuclear Science
- Vol. 26 (1) , 648-653
- https://doi.org/10.1109/TNS.1979.4329702
Abstract
Positron tomography utilizing conventional detector technology realizes images with a spatial resolution that is from 5 to 15 times worse than the spatial resolution achieved in x-ray computerized tomography (CT). The inherently high contrast of radionuclide images (when compared to CT) is then lost, especially when small lesions are sought. A preliminary evaluation indicates that semiconductor detectors offer the potential to yield high sensitivity, high spatial resolution, fast devices capable of imaging over clinically significant areas.Keywords
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