Small Animal PET Imaging

Details Small Animal PET Imaging Small Animal PET Imaging

Jul 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004apsp.conf..381m&link_type=abstract

ASTROPARTICLE, PARTICLE AND SPACE PHYSICS, DETECTORS AND MEDICAL PHYSICS APPLICATIONS. Proceedings of the 8th Conference. Held 6

Physics

Medical Physics

Scientific paper

As the methods and technology of positron emission tomography (PET) imaging have advanced, they have been applied not only to human clinical imaging, but to small research animals as well. Imaging small objects pushes the spatial resolution and sensitivity limits of current PET technology. We summarize the challenges presented in pushing these resolution limits without giving up sensitivity. Detector size is the current practical factor limiting resolution. Sensitivity is limited by detector characteristics and acquisition rate limits. Current scanners are capable of imaging small animals at the whole organ level. Very high resolution images can only be reached with large tracer doses and long data acquisition times.

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