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REVIEWS  INFLAMMATION AND INFECTION PART 1 

The Quarterly Journal of Nuclear Medicine and Molecular Imaging 2006 June;50(2):143-6

Copyright © 2006 EDIZIONI MINERVA MEDICA

lingua: Inglese

Imaging of infection and inflammation with 18F-FDG-labeled leukocytes

Rini J. N., Palestro C. J.

Division of Nuclear Medicine Long Island Jewish Medical Center New Hyde Park, NY, USA


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Conventional scintigraphic imaging with 67Ga citrate and in vitro labeled leukocytes is routinely used to evaluate infectious and inflammatory conditions. Recent studies suggest that positron emission tomography (PET) with [18F]fluorodeoxyglucose (FDG) also may be useful in this setting. Both 67Ga citrate and [18F]FDG are highly sensitive tracers, but their specificity for detecting infection is lower than that of in vitro labeled leukocytes, which is the radionuclide gold standard for imaging most infections. PET has several advantages over conventional scintigraphic techniques, including higher spatial resolution and faster imaging times. In vitro [18F]FDG labeled leukocytes represent an initial attempt to develop an infection-specific, positron-emitting tracer. The experience to date with PET imaging of [18F]FDG labeled leukocytes is reviewed in this article.

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