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Related Concept Videos

Magnetic Resonance Imaging01:24

Magnetic Resonance Imaging

Magnetic resonance imaging (MRI) is a noninvasive medical imaging technique based on a phenomenon of nuclear physics discovered in the 1930s, in which matter exposed to magnetic fields and radio waves was found to emit radio signals. In 1970, a physician and researcher named Raymond Damadian noticed that malignant (cancerous) tissue gave off different signals than normal body tissue. He applied for a patent for the first MRI scanning device in clinical use by the early 1980s. The early MRI...
Imaging Studies I: CT and MRI01:14

Imaging Studies I: CT and MRI

Introduction: MRI and CT scans are crucial advancements in medical imaging techniques, playing a vital role in diagnosing conditions related to the gastrointestinal (GI) system. Each scan serves distinct purposes, targets specific areas, and requires unique nursing duties.
Description of the Procedures
Computed Tomography (CT) scan:
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Imaging Studies IV: Magnetic Resonance Imaging01:27

Imaging Studies IV: Magnetic Resonance Imaging

Introduction:Magnetic Resonance Imaging, or MRI, can include a specialized imaging technique of the urinary system known as Magnetic Resonance Urography (MRU). This radiation-free technique uses strong magnetic fields and radio waves to produce detailed images with the help of a computer. MRU is particularly effective for visualizing fluid-filled structures like the kidneys, ureters, and bladder.Applications of MRI in the Genitourinary SystemKidneys and Ureters: MRI detects tumors, cysts,...
Imaging Studies for Cardiovascular System IV: CMRI01:21

Imaging Studies for Cardiovascular System IV: CMRI

Cardiovascular magnetic resonance imaging, or CMRI, is a non-invasive diagnostic test that employs a magnetic field and radiofrequency waves to create precise images of the heart and arteries. It provides comprehensive information about cardiac anatomy, function, perfusion, and tissue characterization without ionizing radiation.IndicationsCMRI diagnoses various heart conditions, including tissue damage from heart attacks, ischemic heart disease, myocarditis, aortic issues (tears, aneurysms,...

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Updated: May 9, 2026

Quantitative Magnetic Resonance Imaging of Skeletal Muscle Disease
09:30

Quantitative Magnetic Resonance Imaging of Skeletal Muscle Disease

Published on: December 18, 2016

Quantitative MRI techniques of cartilage composition.

Stephen J Matzat1, Jasper van Tiel, Garry E Gold

  • 1Department of Radiology, Stanford University, CA, USA;

Quantitative Imaging in Medicine and Surgery
|July 9, 2013
PubMed
Summary
This summary is machine-generated.

Quantitative magnetic resonance imaging (MRI) offers early osteoarthritis (OA) detection by assessing cartilage biochemical changes, unlike conventional methods. This review details advanced MRI techniques for tracking OA progression and improving patient outcomes.

Keywords:
Magnetic resonance imagingbiomarkercartilageosteoarthritis (OA)quantitative

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Area of Science:

  • Biomedical Imaging
  • Orthopedics
  • Radiology

Background:

  • Osteoarthritis (OA) prevalence is rising globally due to aging and obesity.
  • Current imaging detects late-stage OA but misses early biochemical changes in cartilage.
  • Tracking cartilage degradation is crucial for OA prevention and treatment.

Purpose of the Study:

  • To review quantitative MRI techniques for early OA detection and cartilage assessment.
  • To discuss the biochemical correlates, advantages, and limitations of various MRI methods.
  • To highlight clinical applications of quantitative MRI in specific patient groups.

Main Methods:

  • Review of prominent quantitative MRI techniques: dGEMRIC, T2 mapping, T1rho mapping, sodium imaging.
  • Discussion of emerging methods: Ultrashort echo time (UTE), gagCEST, diffusion-weighted imaging (DWI).
  • Analysis of biochemical correlates and clinical utility for each technique.

Main Results:

  • Quantitative MRI techniques enable sensitive detection of early cartilage biochemical changes in OA.
  • dGEMRIC, T2 mapping, T1rho mapping, and sodium imaging are key quantitative methods.
  • Emerging techniques like UTE, gagCEST, and DWI show potential for cartilage assessment.

Conclusions:

  • Quantitative MRI provides crucial insights into early OA and cartilage health.
  • Techniques are advancing for clinical research in OA, ACL rupture, and hip impingement.
  • Challenges remain in technique validation and widespread clinical application.