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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...

Imaging Studies II: Positron Emission Tomography and Scintigraphy

Imaging Studies II: Positron Emission Tomography and Scintigraphy

Positron Emission Tomography (PET) is a medical imaging technique that provides crucial insights into the body's physiological functions at a molecular level. It is an indispensable resource for diagnosing, staging, and monitoring various illnesses, notably cancer, neurological disorders, and cardiovascular conditions.
Fundamental Principles of PET

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Updated: Jun 12, 2026

A Basic Positron Emission Tomography System Constructed to Locate a Radioactive Source in a Bi-dimensional Space

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Positron emission tomography: current status and future challenges.

M Lin¹, I Ho Shon, P Lin

¹Department of Nuclear Medicine and PET, Liverpool Hospital, Sydney, New South Wales, Australia. michael.lin@swsahs.nsw.gov.au

Internal Medicine Journal

|June 22, 2010

Summary

This summary is machine-generated.

Fluorine-18-2-fluoro-2-deoxy-D-glucose (FDG) Positron Emission Tomography (PET) is crucial in oncology for cancer diagnosis, staging, and treatment monitoring. Hybrid PET-CT scans have significantly improved diagnostic accuracy since 2001.

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Automation of a Positron-emission Tomography (PET) Radiotracer Synthesis Protocol for Clinical Production

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Automation of a Positron-emission Tomography (PET) Radiotracer Synthesis Protocol for Clinical Production

Automation of a Positron-emission Tomography (PET) Radiotracer Synthesis Protocol for Clinical Production

Published on: October 26, 2018

Area of Science:

Oncology
Nuclear Medicine
Radiology

Background:

Fluorine-18-2-fluoro-2-deoxy-D-glucose (FDG) Positron Emission Tomography (PET) has become indispensable in clinical oncology.
Evidence supporting PET's utility has grown substantially, including data from the Australian PET Data Collection Project.
Hybrid PET-computed tomography (PET-CT) systems have largely superseded standalone PET since 2001, enhancing diagnostic capabilities.

Purpose of the Study:

To provide a concise update on the current applications of FDG-PET in oncology.
To highlight the diagnostic and therapeutic monitoring roles of FDG-PET.
To review advancements in PET imaging technology, particularly PET-CT.

Main Methods:

Review of current scientific and clinical evidence on FDG-PET in oncology.
Analysis of the impact of hybrid PET-CT imaging.
Focus on oncologic applications based on recent data.

Main Results:

FDG-PET plays a vital role in diagnosing, staging, and restaging malignancies.
PET imaging is effective in monitoring patient response to cancer therapies.
Hybrid PET-CT offers improved diagnostic accuracy compared to PET alone.

Conclusions:

FDG-PET remains a cornerstone in modern oncologic practice.
The integration of PET with CT has significantly advanced cancer imaging.
Continued research and data collection are essential for optimizing FDG-PET utilization in cancer care.