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Positron Emission Tomography

Positron Emission Tomography

Positron emission tomography (PET) is a medical imaging technique involving radiopharmaceuticals — substances that emit short-lived radiation. Although the first PET scanner was introduced in 1961, it took 15 more years before radiopharmaceuticals were combined with the technique and revolutionized its potential.
One of the main requirements of a PET scan is a positron-emitting radioisotope, which is produced in a cyclotron and then attached to a substance used by the part of the body being...

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Related Experiment Video

Updated: May 16, 2026

Preclinical Positron Emission Tomography with Body Conforming Animal Molds for Cloud-Based Automated Image Analysis in Mice

Preclinical Positron Emission Tomography with Body Conforming Animal Molds for Cloud-Based Automated Image Analysis in Mice

Published on: October 25, 2024

Applications for preclinical PET/MRI.

Martin S Judenhofer¹, Simon R Cherry

¹Department of Biomedical Engineering, University of California, Davis, Davis, CA 95616, USA. msjudenhofer@ucdavis.edu

Seminars in Nuclear Medicine

|November 27, 2012

Summary

This summary is machine-generated.

Hybrid positron emission tomography (PET) and magnetic resonance imaging (MRI) systems are advancing preclinical research. This overview details available PET/MRI systems and early study findings, highlighting benefits for integrated imaging.

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Area of Science:

Medical Imaging
Preclinical Research
Hybrid Imaging Technology

Background:

Positron emission tomography (PET) and magnetic resonance imaging (MRI) are powerful imaging modalities.
Combining PET and MRI into a hybrid system offers synergistic advantages for research and clinical applications.
Hybrid PET/MRI is a rapidly developing field with significant potential.

Purpose of the Study:

To provide an overview of available preclinical PET/MRI systems.
To discuss considerations for integrated PET/MRI workflows.
To summarize initial findings from studies using dedicated preclinical PET/MRI systems.

Main Methods:

Review of current PET detector technologies for hybrid systems.
Analysis of integrated PET/MRI system designs and capabilities.
Summary of results from early preclinical studies utilizing combined PET/MRI.

Main Results:

Several preclinical PET/MRI prototypes utilizing diverse PET detector technologies have been developed.
Initial studies on dedicated preclinical PET/MRI systems demonstrate feasibility and provide valuable data.
The integration of PET and MRI offers enhanced insights compared to standalone modalities.

Conclusions:

Preclinical PET/MRI systems are emerging as valuable tools for advanced research.
Further development and application of integrated PET/MRI systems are expected to drive scientific discovery.
Hybrid PET/MRI holds significant promise for future biomedical research and potential clinical translation.