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Review
. 2007 Apr;2(2):267-77.
doi: 10.1016/j.cpet.2007.08.003. Epub 2008 Feb 15.

Tracer Kinetic Modeling in PET

M'hamed Bentourkia  1 , Habib Zaidi  2
Affiliations
Review

Tracer Kinetic Modeling in PET

M'hamed Bentourkia et al. PET Clin. 2007 Apr.

Abstract

Molecular imaging using PET provides a unique tool for noninvasively investigating the biochemistry of living organs. The wide range of radiolabeled molecules makes it possible to explore various biochemical, physiologic, and pharmacologic processes in vivo. Because each radiotracer is characterized by its particular kinetic behavior in the human body, the quantification of this behavior is a critical component for the improvement of imaging protocols and for rapid translation from research and development to the clinic. Suitable image reconstruction algorithms combined with tracer kinetic modeling techniques are needed to assess parametric or quantitative biologic images from the available fourdimensional images. An appropriate mathematical model is generally used to fit the time-activity curves of a region or volume of interest, thus allowing the assessment of biologic parameters.

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