Purpose of Review <p>The rising prevalence of atherosclerosis has prompted the development of novel diagnostic methods capable of identifying early-stage disease when therapeutic interventions may be most effective. <sup>18</sup>F-sodium fluoride (NaF) positron emission tomography/computed tomography (PET/CT) is a molecular imaging technique that can quantify subclinical microcalcification in arterial plaque. The focus of this review article is to discuss the utility of <sup>18</sup>F-NaF PET/CT in assessing atherosclerotic disease of major susceptible blood vessels, particularly the coronary arteries and thoracic aorta.</p> Recent Findings <p><sup>18</sup>F-NaF uptake observed on PET imaging demonstrates promising potential as a marker of atherosclerotic burden in individual coronary arteries, whole heart segmentations, and the thoracic aorta. Global versus focal assessment of <sup>18</sup>F-NaF uptake in small arteries is a significant source of methodological heterogeneity among studies.</p> Summary <p>The accuracy and reproducibility of <sup>18</sup>F-NaF PET/CT may be improved by standardized quantification methods in light of the limited spatial resolution of PET, particularly through the use of techniques to evaluate global atherosclerotic burden.</p>

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Reproducibility of 18F-Sodium Fluoride Positron Emission Tomography for Assessing Microcalcification in Coronary Arterial and Thoracic Aortic Atherosclerosis: Is the Signal below the Resolution of PET?

  • Ondrej Fanta,
  • Shiv Patil,
  • Thomas Werner,
  • Drew A. Torigian,
  • Abass Alavi

摘要

Purpose of Review

The rising prevalence of atherosclerosis has prompted the development of novel diagnostic methods capable of identifying early-stage disease when therapeutic interventions may be most effective. 18F-sodium fluoride (NaF) positron emission tomography/computed tomography (PET/CT) is a molecular imaging technique that can quantify subclinical microcalcification in arterial plaque. The focus of this review article is to discuss the utility of 18F-NaF PET/CT in assessing atherosclerotic disease of major susceptible blood vessels, particularly the coronary arteries and thoracic aorta.

Recent Findings

18F-NaF uptake observed on PET imaging demonstrates promising potential as a marker of atherosclerotic burden in individual coronary arteries, whole heart segmentations, and the thoracic aorta. Global versus focal assessment of 18F-NaF uptake in small arteries is a significant source of methodological heterogeneity among studies.

Summary

The accuracy and reproducibility of 18F-NaF PET/CT may be improved by standardized quantification methods in light of the limited spatial resolution of PET, particularly through the use of techniques to evaluate global atherosclerotic burden.