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Related Concept Videos

Positron Emission Tomography01:29

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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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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

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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.
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Related Experiment Video

Updated: Dec 7, 2025

Management of Respiratory Motion Artefacts in 18F-fluorodeoxyglucose Positron Emission Tomography using an Amplitude-Based Optimal Respiratory Gating Algorithm
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Diagnostic errors in clinical FDG-PET/CT.

Norah A Alotaibi1, Derya Yakar1, Andor W J M Glaudemans1

  • 1Medical Imaging Center, Department of Radiology, Nuclear Medicine and Molecular Imaging, University of Groningen, University Medical Center Groningen, the Netherlands.

European Journal of Radiology
|October 1, 2020
PubMed
Summary
This summary is machine-generated.

Diagnostic errors in Fluorodeoxyglucose-Positron Emission Tomography/Computed Tomography (FDG-PET/CT) are infrequent but notable. Combining FDG-PET/CT with contrast-enhanced CT appears to increase the diagnostic error rate.

Keywords:
18F-FDGDiagnostic errorsMalpracticePET-CT

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Quantification of Atherosclerotic Plaque Activity and Vascular Inflammation using [18-F] Fluorodeoxyglucose Positron Emission Tomography/Computed Tomography FDG-PET/CT
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Area of Science:

  • Medical Imaging
  • Nuclear Medicine
  • Radiology

Background:

  • Diagnostic errors can impact patient care and healthcare costs.
  • Understanding the frequency and causes of errors in FDG-PET/CT is crucial for quality improvement.

Purpose of the Study:

  • To determine the frequency, types, and determinants of diagnostic errors in clinical FDG-PET/CT.
  • To analyze errors based on addenda to original reports.

Main Methods:

  • Retrospective analysis of 4,099 consecutive clinical FDG-PET/CT scans and reports.
  • Scrutiny of reports for addenda indicating diagnostic errors.

Main Results:

  • 2.2% of FDG-PET/CT reports (90/4,099) contained diagnostic errors.
  • Perceptual errors (60%) were more common than cognitive errors (40%).
  • Low-dose FDG-PET/CT with contrast-enhanced CT was associated with a higher diagnostic error rate (OR: 2.79).

Conclusions:

  • Diagnostic errors in FDG-PET/CT are infrequent but significant.
  • Perceptual errors slightly outweigh cognitive errors.
  • Concomitant contrast-enhanced CT may increase diagnostic error rates, necessitating further quality improvement efforts.