Positron Emission Mammographic Instrument: Initial Results
- 1 April 2000
- journal article
- Published by Radiological Society of North America (RSNA) in Radiology
- Vol. 215 (1), 280-285
- https://doi.org/10.1148/radiology.215.1.r00ap03280
Abstract
Performance characteristics of a positron emission mammographic (PEM) instrument were studied. This dedicated metabolic breast imaging system has spatial resolution of 2.8-mm full width at half maximum (FWHM), coincidence resolving time of 12-nsec FWHM, and absolute efficiency of 3%. Hot spots with diameter of 16 mm in a phantom with signal-to-background activity ratio of 6:1 were distinguishable with a scanning time of 5 minutes.Keywords
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