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

Contrast manipulation in NMR imaging.

W H Perman, S K Hilal, H E Simon

    Magnetic Resonance Imaging
    |January 1, 1984
    PubMed
    Summary
    This summary is machine-generated.

    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

    Microstructural and Metabolic Changes in Normal Aging Human Brain Studied with Combined Whole-Brain MR Spectroscopic Imaging and Quantitative MR Imaging.

    Clinical neuroradiology·2023
    Same author

    Echoplanar Magnetic Resonance Spectroscopic Imaging Before and Following Radiation Therapy in Patients With High-Grade Glioma.

    International journal of radiation oncology, biology, physics·2016
    Same author

    Detection of Normal Aging Effects on Human Brain Metabolite Concentrations and Microstructure with Whole-Brain MR Spectroscopic Imaging and Quantitative MR Imaging.

    AJNR. American journal of neuroradiology·2015
    Same author

    Mapping of glycine distributions in gliomas.

    AJNR. American journal of neuroradiology·2014
    Same author

    Associations of age, gender and body mass with 1H MR-observed brain metabolites and tissue distributions.

    NMR in biomedicine·2011
    Same author

    Intermuscular lipoma of the thigh, with roentgenologic findings.

    Southern medical journal·2010
    Same journal

    Systematic comparison of MPRAGE and BRAVO T1-weighted MRI pulse sequences and brain morphometry in high-risk young adults.

    Magnetic resonance imaging·2026
    Same journal

    Foot dynamic contrast-enhanced MRI for assessing microcirculatory changes after endovascular therapy in peripheral artery disease: A prospective pilot study.

    Magnetic resonance imaging·2026
    Same journal

    Reconstruction of MRI from undersampled k-spaces of double-contrast volume acquisitions using deep neural networks.

    Magnetic resonance imaging·2026
    Same journal

    Radiofrequency-induced heating safety of brain MRI scans at 7 T in the presence of a shoulder implant.

    Magnetic resonance imaging·2026
    Same journal

    Incremental diagnostic value of microstructural time-dependent diffusion MRI in differentiating PCNSL from glioblastoma over conventional MRI.

    Magnetic resonance imaging·2026
    Same journal

    Enhanced respiratory motion compensation in free-breathing dynamic contrast-enhanced MRI with GROG-facilitated bunch phase encoding and Golden angle radial sampling.

    Magnetic resonance imaging·2026
    See all related articles

    Nuclear Magnetic Resonance (NMR) imaging quality has rapidly advanced. This study optimizes NMR imaging pulse sequences for enhanced contrast and signal-to-noise ratio (SNR) in clinical tasks.

    Area of Science:

    • Medical Imaging
    • Biophysics
    • Radiology

    Background:

    • Nuclear Magnetic Resonance (NMR) imaging has seen significant advancements in image quality and diagnostic utility.
    • Variations in NMR image appearance for the same pathology arise from differing pulse sequences and timings.
    • These variations alter the contribution of proton density, T1, and T2 tissue properties to the final image.

    Purpose of the Study:

    • To investigate contrast manipulation effects in NMR imaging.
    • To explore Signal-to-Noise Ratio (SNR) optimization strategies.
    • To evaluate these effects across various pulse sequences for clinical applications.

    Main Methods:

    • Analysis of contrast manipulation effects.
    • SNR optimization for saturation recovery, inversion recovery, spin echo, and inversion recovery spin echo pulse sequences.

    Related Experiment Videos

  • Application to three clinically relevant imaging tasks.

    • Main Results:

    • Demonstration of contrast manipulation capabilities.
    • Identification of SNR optimization methods for specific pulse sequences.
    • Assessment of sequence performance in clinical contexts.

    Conclusions:

    • Pulse sequence selection critically impacts NMR image contrast and diagnostic information.
    • Optimized pulse sequences and parameters can enhance image quality and diagnostic accuracy.
    • This work provides a foundation for improved NMR imaging protocols.