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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.
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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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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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Ultrasonography is an imaging technique that uses high-frequency sound waves to visualize the body's internal structures. It is a non-invasive and safe procedure that does not involve the use of ionizing radiation, making it widely used in various medical fields. Ultrasonography is used to study heart function, blood flow in the neck or extremities, certain conditions such as gallbladder disease, and fetal growth and development.
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Related Experiment Video

Updated: Aug 19, 2025

In Vivo Optical Imaging of Brain Tumors and Arthritis Using Fluorescent SapC-DOPS Nanovesicles
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PET Imaging in Osteoarthritis.

Mohamed Jarraya1, Frank W Roemer2, Tobias Bäuerle3

  • 1Department of Radiology, Massachusetts General Hospital, Harvard Medical School, 32 Fruit Street, YAW 6044, Boston, MA 02115, USA.

PET Clinics
|November 28, 2022
PubMed
Summary

Positron emission tomography (PET) combined with magnetic resonance (MR) imaging offers valuable metabolic insights into osteoarthritis. This hybrid imaging approach enhances understanding beyond traditional MR imaging for joint disease.

Keywords:
CTMR imagingOsteoarthritisPET

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Area of Science:

  • Orthopedics
  • Radiology
  • Nuclear Medicine

Background:

  • Osteoarthritis (OA) is a prevalent degenerative joint disease causing significant pain, morbidity, and economic burden.
  • While MR imaging provides detailed structural and compositional information, it lacks metabolic insights.
  • Metabolic changes in subchondral bone and synovium are crucial for understanding OA pathogenesis.

Purpose of the Study:

  • To review the role of hybrid positron emission tomography (PET) imaging in osteoarthritis.
  • To specifically focus on the application and benefits of PET/MR imaging in OA assessment.

Main Methods:

  • This is a narrative review.
  • Literature search on hybrid PET imaging techniques in osteoarthritis.
  • Focus on studies utilizing PET/MR imaging for OA evaluation.

Main Results:

  • Hybrid PET imaging, particularly PET/MR, can provide critical metabolic information complementary to conventional MR imaging.
  • PET/MR imaging may reveal disease activity and processes not detectable by morphologic imaging alone.
  • This approach holds potential for improved understanding of OA pathophysiology.

Conclusions:

  • Hybrid PET/MR imaging represents a promising advancement in osteoarthritis research and clinical assessment.
  • Integrating metabolic and structural imaging can offer a more comprehensive view of the disease.
  • Further research is warranted to fully elucidate the clinical utility of PET/MR in OA management.