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Related Concept Videos

Positron Emission Tomography01:29

Positron Emission Tomography

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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...
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Imaging Studies II: Positron Emission Tomography and Scintigraphy01:25

Imaging Studies II: Positron Emission Tomography and Scintigraphy

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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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Radiological Investigation III: Pulmonary Angiogram and PET Scan01:13

Radiological Investigation III: Pulmonary Angiogram and PET Scan

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Radiological investigations are paramount in the diagnosis and management of various pulmonary diseases. Two essential investigations are the Pulmonary Angiogram and the Positron Emission Tomography (PET) Scan.
Pulmonary Angiogram
A Pulmonary Angiogram is an invasive procedure involving injecting a contrast medium through a catheter threaded into the pulmonary artery or the right side of the heart to visualize the pulmonary vasculature. Computed Tomography (CT) scans have mainly replaced this...
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[<sup>18</sup>F] PSMA-3Q PET/CT radiomics at 45% SUVmax threshold: predicting post-surgical ISUP grade ≥ 4 and extraprostatic extension for noninvasive stratification in prostate cancer management.

Cancer imaging : the official publication of the International Cancer Imaging Society·2026
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Exploring the feasibility of a 40-minute uptake time for long axial field of view [<sup>18</sup>F]FDG PET/CT tumour scan: an evidence-based single-center study.

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The diagnostic value of the multiparameter combination diagnostic model based on 2-[<sup>18</sup>F]FDG PET/CT metabolic parameters and clinical variables in distinguishing non-metastatic cholangiocarcinoma from cholangitis.

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Real-time diagnosis of sampled lesions in targeted biopsy of prostate Cancer using a novel tracer [<sup>64</sup>Cu] Cu-DOTA-PSMA-3Q: a pilot preclinical study.

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Related Experiment Video

Updated: Sep 6, 2025

Gene Regulation and Targeted Therapy in Gastric Cancer Peritoneal Metastasis: Radiological Findings from Dual Energy CT and PET/CT
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Gene Regulation and Targeted Therapy in Gastric Cancer Peritoneal Metastasis: Radiological Findings from Dual Energy CT and PET/CT

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Expert consensus on oncological [18F]FDG total-body PET/CT imaging (version 1).

Haojun Yu1,2,3,4, Yushen Gu1,2,3,4, Wei Fan5

  • 1Department of Nuclear Medicine, Zhongshan Hospital, Fudan University, 180 Fenglin Road, Shanghai, 200032, China.

European Radiology
|June 25, 2022
PubMed
Summary

New total-body PET/CT protocols optimize fluorodeoxyglucose (FDG) imaging for cancer patients. These guidelines reduce scan times and injected activity, enhancing efficiency and patient safety in oncologic imaging.

Keywords:
ConsensusOncologyTotal-body PET/CT[18F]FDG

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Analysis of 18FDG PET/CT Imaging as a Tool for Studying Mycobacterium tuberculosis Infection and Treatment in Non-human Primates
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Area of Science:

  • Nuclear Medicine
  • Radiochemistry
  • Oncology

Background:

  • Total-body PET/CT (TB PET/CT) scanners offer enhanced sensitivity for oncologic imaging.
  • This technology presents new opportunities in cancer diagnosis, staging, and radiation therapy planning.

Purpose of the Study:

  • To establish clinical practice protocols for oncologic [18F]FDG TB PET/CT imaging.
  • To facilitate future research utilizing total-body scanners.

Main Methods:

  • Consensus developed from published guidelines and peer-reviewed literature on TB PET/CT.
  • Incorporated expert opinions from major research institutions with extensive TB PET/CT case experience (40,000 cases).

Main Results:

  • Protocols for routine and dynamic [18F]FDG TB PET/CT scanning are described.
  • Focus on reducing imaging acquisition time and injected [18F]FDG activity.
  • These protocols can serve as a reference for oncologic PET/CT research and clinical practice.

Conclusions:

  • Expert consensus on reducing acquisition time and [18F]FDG activity in TB PET/CT.
  • Potential to improve patient throughput and reduce radiation exposure in clinical oncologic imaging.
  • Multicenter studies summarized protocols for optimized oncologic [18F]FDG TB PET/CT, improving image quality, diagnostic insights, and patient management.