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Related Experiment Video

Updated: Jun 18, 2026

Utilizing 18F-FDG PET/CT Imaging and Quantitative Histology to Measure Dynamic Changes in the Glucose Metabolism in Mouse Models of Lung Cancer
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Methodological considerations in quantification of oncological FDG PET studies.

Dennis Vriens1, Eric P Visser, Lioe-Fee de Geus-Oei

  • 1Department of Nuclear Medicine (internal postal code 444), Radboud University Nijmegen Medical Centre, P.O. Box 9101, 6500, HB, Nijmegen, The Netherlands. D.Vriens@nucmed.umcn.nl

European Journal of Nuclear Medicine and Molecular Imaging
|November 26, 2009
PubMed
Summary

Accurate quantification of glucose metabolism using FDG PET in oncology is influenced by biological factors, acquisition parameters, and image reconstruction. Understanding these factors is crucial for reliable treatment response assessment.

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Area of Science:

  • Nuclear Medicine
  • Oncology Imaging
  • Radiochemistry

Background:

  • Fluorodeoxyglucose Positron Emission Tomography (FDG PET) is vital for assessing glucose metabolism in oncology.
  • Accurate quantification is essential for treatment response evaluation and clinical research.
  • Numerous factors can impact the reliability of FDG PET quantification.

Purpose of the Study:

  • To review factors influencing FDG PET quantification of glucose metabolism in oncology.
  • To elucidate the impact of these factors on repeated measures for treatment response assessment.
  • To enhance understanding for both clinical practice and research.

Main Methods:

  • Comprehensive PubMed searches were conducted to identify factors affecting FDG PET quantification.
  • Review articles and reference lists were utilized to supplement search findings.
  • Literature was systematically reviewed for biological, acquisition, and reconstruction-related influences.

Main Results:

  • Biological factors (fasting glucose, uptake time, patient motion) and acquisition parameters significantly affect quantification.
  • Image reconstruction settings (e.g., iterative vs. analytical) and region of interest definitions introduce variability.
  • Attenuation correction, motion artifacts, metal artifacts, and contrast agents also impact quantitative accuracy.

Conclusions:

  • This review offers a comprehensive overview of factors impacting FDG PET quantification of glucose metabolism.
  • Understanding these variables is key to improving the accuracy and reproducibility of FDG PET studies in oncology.
  • This knowledge supports more reliable clinical decision-making and research outcomes.