Abstract
Fluorine-18-fluorodeoxyglucose (FDG) positron emission tomography (PET) is a functional imaging modality that capitalizes on the fact that pathologic processes are generally highly metabolically active and accumulate more glucose (and FDG) than normal tissue. However, sites of normal metabolic activity can also demonstrate intense FDG uptake and can sometimes be difficult to distinguish from disease activity. Fusion imaging modalities that acquire both functional and correlative anatomic imaging provide an important advantage over PET alone because they allow the accurate anatomic localization of sites of increased FDG activity (1–5). In this chapter, normal sites of FDG activity are correlated with computed tomography (CT) anatomy in images obtained during PET-CT scanning. Examples of pathologic FDG activity are included to illustrate the unique value of this fusion imaging modality in distinguishing normal from pathologic activity.
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McCarville, M.B. (2006). PET-Computed Tomography Atlas. In: Charron, M. (eds) Pediatric PET Imaging. Springer, New York, NY. https://doi.org/10.1007/0-387-34641-4_30
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DOI: https://doi.org/10.1007/0-387-34641-4_30
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