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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 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,...
Ultrasonography01:17

Ultrasonography

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.
During an ultrasonography procedure, a handheld device called a...
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:
Computed Tomography (CT) scans use X-ray technology to generate detailed images of bones, organs, and tissues. During the scan, the patient lies on a moving table...
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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Related Experiment Video

Updated: Jul 17, 2026

Quantitative Magnetic Resonance Imaging of Skeletal Muscle Disease
09:30

Quantitative Magnetic Resonance Imaging of Skeletal Muscle Disease

Published on: December 18, 2016

Low-field musculoskeletal MRI.

Shaya Ghazinoor1, John V Crues, Chris Crowley

  • 1RadNet, Los Angeles, California, USA. sghazinoor@yahoo.com

Journal of Magnetic Resonance Imaging : JMRI
|January 30, 2007
PubMed
Summary

Low-field extremity MRI scanners offer a cost-effective, accessible alternative to high-field systems for musculoskeletal imaging. These compact scanners are increasingly popular for evaluating joints in the extremities.

Area of Science:

  • Medical Imaging
  • Musculoskeletal Radiology

Background:

  • Magnetic Resonance Imaging (MRI) is crucial for diagnosing musculoskeletal conditions.
  • High-field ( >1.0T) whole-body scanners are standard in the US.
  • Low- (<0.5T) and medium- (0.5-1.0T) field extremity scanners are gaining popularity due to their accessibility and cost-effectiveness.

Purpose of the Study:

  • To review available low- and medium-field extremity MRI scanners.
  • To discuss the advantages and disadvantages of these scanners.
  • To present literature on their clinical use and share experience with low-field extremity scanners for joint evaluation.

Main Methods:

  • Overview of different extremity MRI scanner types.
  • Review of existing literature on low- and medium-field extremity MRI.

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Quantitative [18F]-Naf-PET-MRI Analysis for the Evaluation of Dynamic Bone Turnover in a Patient with Facetogenic Low Back Pain
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Quantitative [18F]-Naf-PET-MRI Analysis for the Evaluation of Dynamic Bone Turnover in a Patient with Facetogenic Low Back Pain

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Quantitative Magnetic Resonance Imaging of Skeletal Muscle Disease
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Quantitative [18F]-Naf-PET-MRI Analysis for the Evaluation of Dynamic Bone Turnover in a Patient with Facetogenic Low Back Pain
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Quantitative [18F]-Naf-PET-MRI Analysis for the Evaluation of Dynamic Bone Turnover in a Patient with Facetogenic Low Back Pain

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  • Discussion of clinical experience with low-field extremity scanners.

    • Main Results:

    • Low- and medium-field extremity scanners are suitable for imaging the upper and lower extremities.
    • These scanners offer a practical solution for imaging centers and physicians' offices.
    • Literature supports the utility of these scanners in various clinical scenarios.

    Conclusions:

    • Low-field extremity MRI scanners are a valuable and increasingly popular tool for musculoskeletal imaging.
    • Their accessibility and cost-effectiveness make them a viable alternative for specific applications.
    • Further experience and literature support their role in joint evaluation.