Alternative positron emission tomography with non-conventional positron emitters: effects of their physical properties on image quality and potential clinical applications |
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Authors: | Marco Pagani Sharon Stone-Elander Stig A. Larsson |
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Affiliation: | (1) Institute of Experimental Medicine, CNR, Rome, Italy, IT;(2) Karolinska Pharmacy and Clinical Neuroscience, Section of Clinical Neurophysiology, Karolinska Hospital and Institute, Stockholm, Sweden, SE;(3) Department of Hospital Physics, Section for Nuclear Medicine, Karolinska Hospital, Stockholm, Sweden, SE |
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Abstract: | The increasing amount of clinically relevant information obtained by positron emission tomography (PET), primarily with fluorine-18 labelled 2-deoxy-2-fluoro-d-glucose, has generated a demand for new routes for the widespread and cost-efficient use of positron-emitting radiopharmaceuticals. New dual-head single-photon emission tomography (SPET) cameras are being developed which offer coincidence detection with camera heads lacking a collimator or SPET imaging with specially designed collimators and additional photon shielding. Thus, not only satellite PET imaging units but also nuclear medicine units investing in these new SPET/PET systems need to examine all available alternatives for rational radionuclide supplies from host cyclotrons. This article examines 25 ”alternative” positron-emitting radionuclides, discusses the impact of their decay properties on image quality and reviews methods for their production as well as for their application in imaging techniques. |
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Keywords: | : Positron emission tomography Single-photon emission tomography Positron emitters |
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