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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

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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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Gene Regulation and Targeted Therapy in Gastric Cancer Peritoneal Metastasis: Radiological Findings from Dual Energy CT and PET/CT
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18-FDG-PET Imaging in Head and Neck Cancer: Current Application.

Prem P Batchala1, Prashant Raghavan2

  • 1Department of Radiology and Medical Imaging, University of Virginia Health System, 1215 Lee Street, Charlottesville, VA 22908, USA.

Radiologic Clinics of North America
|November 13, 2025
PubMed
Summary
This summary is machine-generated.

Positron emission tomography (PET) is crucial for head and neck cancer staging and monitoring. New tracers and PET-MR imaging offer improved accuracy and diagnostics, though challenges remain for widespread adoption.

Keywords:
2-Deoxy-2-[(18)F]-fluoro-d-glucoseEpstein-Barr virusFDG-PETHead and neck squamous cell carcinomaHuman papilloma virusPET-CTSimultaneous PET-MR imagingUpper aerodigestive tract

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Area of Science:

  • Oncology
  • Medical Imaging
  • Nuclear Medicine

Background:

  • Positron emission tomography (PET) imaging is essential for staging and surveillance in head and neck cancer.
  • Fluoro-d-glucose-PET (FDG-PET) is the standard but novel tracers offer enhanced diagnostic capabilities.
  • Quantitative and qualitative methods are used for assessing treatment response via PET scans.

Purpose of the Study:

  • To review the role of PET imaging in head and neck cancer.
  • To highlight the potential of novel PET tracers for improved accuracy and diagnosis.
  • To discuss the challenges and promise of simultaneous PET-Magnetic Resonance (PET-MR) imaging.

Main Methods:

  • Review of current literature on PET imaging in head and neck oncology.
  • Discussion of advancements in PET tracer development.
  • Analysis of quantitative and qualitative response assessment techniques.
  • Evaluation of simultaneous PET-MR imaging technology.

Main Results:

  • Novel PET tracers show promise for improving staging accuracy, radiation planning, and tissue-specific diagnoses.
  • Quantitative PET methods have been validated for response assessment in clinical trials.
  • Simultaneous PET-MR imaging presents a promising technique with potential benefits.

Conclusions:

  • PET imaging is indispensable for head and neck cancer management.
  • Advancements in tracers and PET-MR technology are expected to enhance diagnostic and therapeutic strategies.
  • Overcoming obstacles like cost, standardization, and availability is key for the clinical implementation of advanced PET techniques.