Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

A spin echo chemical shift MR imaging technique.

P M Joseph

    Journal of Computer Assisted Tomography
    |July 1, 1985
    PubMed
    Summary
    This summary is machine-generated.

    This study introduces a novel magnetic resonance imaging method for selectively visualizing fat or water in tissues. The technique uses a single scan, significantly reducing imaging time and improving tissue component differentiation.

    Related Concept Videos

    You might also read

    Related Articles

    Articles linked to this work by shared authors, journal, and citation graph.

    Sort by
    Same author

    Pulmonary rehabilitation for post-TB lung disease led by TB survivors.

    Public health action·2025
    Same author

    Response to Bhaskaran et al's "Effects of air pollution on the incidence of myocardial infarction".

    Heart (British Cardiac Society)·2010
    Same author

    A novel hypothesis to explain associations of carbon monoxide and nitrogen dioxide with deaths from respiratory disease.

    Journal of epidemiology and community health·2009
    Same author

    Coated-platelets in ischemic stroke: differences between lacunar and cortical stroke.

    Journal of thrombosis and haemostasis : JTH·2008
    Same author

    Coated-platelet levels are influenced by smoking, aspirin, and selective serotonin reuptake inhibitors.

    Journal of thrombosis and haemostasis : JTH·2007
    Same author

    Role of propofol and its solvent, intralipid, in nitric oxide-induced peripheral vasodilatation in dogs.

    British journal of anaesthesia·2002
    Same journal

    Evaluation of Gd-EOB-DTPA MRI With Diffusion and Clinicopathologic Features for Predicting Microvascular Invasion in Hepatocellular Carcinoma.

    Journal of computer assisted tomography·2026
    Same journal

    Artificial Intelligence for Opportunistic Screening for Osteoporosis and Spine Fractures Using Computed Tomography: A Systematic Review and Meta-Analysis.

    Journal of computer assisted tomography·2026
    Same journal

    Accuracy and Variability of Spatial Localization of Infarct Core Predicted by CT Perfusion.

    Journal of computer assisted tomography·2026
    Same journal

    Acute Biliary Disorders and Complications.

    Journal of computer assisted tomography·2026
    Same journal

    Temporal Evolution of Sternal Healing on Chest CT Following Median Sternotomy: A Retrospective Analysis of Patterns of Fat Stranding, Lymphadenopathy, and Callus Formation.

    Journal of computer assisted tomography·2026
    Same journal

    From Magnetic Resonance Imaging Radiomics to the Prediction of Regional Nodal Metastasis in Laryngeal Cancer.

    Journal of computer assisted tomography·2026
    See all related articles

    Area of Science:

    • Medical Imaging
    • Biophysics
    • Magnetic Resonance Imaging

    Background:

    • Magnetic Resonance Imaging (MRI) is crucial for tissue characterization.
    • Current MRI techniques can be limited by long scan times and difficulty in separating fat and water signals.
    • Chemical shift imaging aims to differentiate tissues based on the resonant frequencies of water and fat protons.

    Purpose of the Study:

    • To develop and validate a new, rapid MRI method for selective fat or water imaging.
    • To demonstrate the effectiveness of chemical shift selectivity using a controlled spin echo process.
    • To assess the clinical applicability of the technique in human tissue imaging.

    Main Methods:

    • A novel spin echo process was developed, controlling the spectral content of the 180-degree radiofrequency pulse.

    Related Experiment Videos

  • Theoretical analysis was performed on the selective spin echo process for radiofrequency pulses of constant amplitude.
  • Experimental validation was conducted using water phantoms, oil-water phantoms, and a human forearm.

    • Main Results:

    • The method successfully produces separate images of fat and water components in a single scan, with scan times of only a few minutes.
    • Excellent suppression of water signals in fat images was achieved, with minimal fat signal in water images due to overlapping spectral lines.
    • Blood flow effects were observed in water images of the human forearm, which were not visible in the corresponding fat images.

    Conclusions:

    • This new MRI technique offers rapid and selective imaging of fat and water components in tissues.
    • The method demonstrates high accuracy in differentiating fat and water, with potential applications in various medical imaging scenarios.
    • The ability to visualize blood flow in water images further enhances the diagnostic potential of this technique.