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PET System Technology: Theoretical Aspects and Experimental Methodology.

Andrea Gonzalez-Montoro¹, Craig S Levin^2,3

¹Department of Radiology, Stanford University, Stanford, CA, USA.

Methods in Molecular Biology (Clifton, N.J.)

|November 25, 2023

Summary

This summary is machine-generated.

Positron emission tomography (PET) imaging reveals cellular and molecular disease pathways. This chapter details PET system parameters, physical principles, and future integration with anatomical imaging like CT and MRI.

Keywords:

Coincidence time resolution Depth of interaction Energy resolution Positron emission tomography Silicon photomultipliers Spatial resolution

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Area of Science:

Medical Imaging
Nuclear Medicine
Biophysics

Background:

Positron emission tomography (PET) imaging offers non-invasive insights into cellular and molecular disease processes.
PET's utility spans basic research to clinical applications, providing unique diagnostic information.
Understanding PET system parameters is crucial for optimizing imaging performance and diagnostic accuracy.

Purpose of the Study:

To describe key PET system parameters influencing imaging performance, including spatial, energy, and timing resolutions.
To outline the methodologies for evaluating these critical PET imaging parameters.
To discuss the physical principles, detector technology, and coincidence detection in PET.

Main Methods:

Evaluation of 3D spatial resolution, energy resolution, and coincidence timing resolution.
Description of physical principles underlying PET imaging.
Explanation of PET photon detector technology and coincidence detection principles.

Main Results:

Detailed explanation of PET system parameters affecting image quality.
Methodologies for evaluating PET performance metrics are presented.
Underlying physics, detector technology, and coincidence detection are elucidated.

Conclusions:

PET imaging is a powerful tool for visualizing disease at the cellular and molecular level.
Comprehensive understanding of PET parameters and principles is essential for its effective application.
Future perspectives include the synergistic use of PET with anatomical imaging modalities like CT and MRI for enhanced diagnostics.