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 Concept Videos

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,...
Imaging Studies for Cardiovascular System II:Types of Echocardiography01:20

Imaging Studies for Cardiovascular System II:Types of Echocardiography

Echocardiography plays a role in assessing cardiac health and detecting heart conditions, with various types providing critical insights for diagnosis and treatment.
Types of Echocardiography
Transthoracic Echocardiography (TTE)
TTE is the most common type of echocardiogram which involves placing a transducer on the patient's chest, emitting sound waves to create heart images. TTE is invaluable for evaluating the heart's size, structure, and motion, making it particularly useful for diagnosing...
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,...

You might also read

Related Articles

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

Sort by
Same author

Prospective MRI Assessment of Early Myelination Over the First Month of Life in Neonates With Neonatal Hypoxic-Ischemic Encephalopathy Treated With Therapeutic Hypothermia With or Without Sildenafil.

AJNR. American journal of neuroradiology·2026
Same author

High-enthalpy Larderello geothermal system, Italy, powered by thousands of cubic kilometres of mid-crustal magma.

Communications earth & environment·2026
Same author

Multifrequency MR elastography for grading inflammation in metabolic dysfunction-associated steatotic liver disease: a pilot study.

Radiology advances·2025
Same author

Prospective Comparison of DWI-Derived Virtual MR Elastography and Conventional MR Elastography in Metabolic Dysfunction-Associated Steatotic Liver Disease and Healthy Volunteers.

Journal of magnetic resonance imaging : JMRI·2025
Same author

Wide-band multifrequency MR elastography with a fractional viscoelastic model and nonlinear inversion for enhanced viscoelastic parameter mapping.

Acta biomaterialia·2025
Same author

Harnessing intrinsic cardiac motion vs. external mechanical vibrations: a comparison of MRI cine-tagging and MR elastography for liver fibrosis assessment.

The British journal of radiology·2025

Related Experiment Video

Updated: May 23, 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 comparison between a multiecho sequence and a single-echo sequence for susceptibility-weighted phase

Guillaume Gilbert1, Geneviève Savard, Céline Bard

  • 1MR clinical science, Philips Healthcare, Cleveland, OH, USA. guillaume.gilbert.chum@ssss.gouv.qc.ca

Magnetic Resonance Imaging
|March 31, 2012
PubMed
Summary
This summary is machine-generated.

A new multiecho sequence significantly reduces noise in susceptibility-weighted phase imaging compared to standard single-echo methods. This advanced technique improves image quality across various brain regions without increasing scan time.

More Related Videos

Magnetic Resonance Imaging of Multiple Sclerosis at 7.0 Tesla
08:51

Magnetic Resonance Imaging of Multiple Sclerosis at 7.0 Tesla

Published on: February 19, 2021

Registered Bioimaging of Nanomaterials for Diagnostic and Therapeutic Monitoring
17:16

Registered Bioimaging of Nanomaterials for Diagnostic and Therapeutic Monitoring

Published on: December 9, 2010

Related Experiment Videos

Last Updated: May 23, 2026

Quantitative Magnetic Resonance Imaging of Skeletal Muscle Disease
09:30

Quantitative Magnetic Resonance Imaging of Skeletal Muscle Disease

Published on: December 18, 2016

Magnetic Resonance Imaging of Multiple Sclerosis at 7.0 Tesla
08:51

Magnetic Resonance Imaging of Multiple Sclerosis at 7.0 Tesla

Published on: February 19, 2021

Registered Bioimaging of Nanomaterials for Diagnostic and Therapeutic Monitoring
17:16

Registered Bioimaging of Nanomaterials for Diagnostic and Therapeutic Monitoring

Published on: December 9, 2010

Area of Science:

  • Magnetic Resonance Imaging
  • Neuroimaging Techniques
  • Medical Physics

Background:

  • Susceptibility-weighted imaging (SWI) is crucial for visualizing brain structures and detecting abnormalities.
  • Standard single-echo sequences in SWI are susceptible to noise, potentially limiting diagnostic accuracy.
  • Quantitative phase imaging offers valuable information but requires robust noise reduction strategies.

Purpose of the Study:

  • To quantitatively compare the noise reduction benefits of a multiecho sequence against a standard single-echo sequence for SWI phase imaging.
  • To assess the impact of the multiecho approach on image quality and diagnostic potential.
  • To evaluate the feasibility of generating R2 maps concurrently with phase information.

Main Methods:

  • Four healthy volunteers underwent 3-T MRI using both single-echo and multiecho 3D gradient-echo sequences.
  • Noise was quantified by analyzing the standard deviation in segmented regions of interest (ROIs).
  • Phase data from the multiecho sequence were processed using advanced unwrapping and background field removal techniques, followed by weighted linear regression for phase combination.

Main Results:

  • The multiecho sequence demonstrated a significant reduction in noise standard deviation across all investigated ROIs compared to the single-echo sequence.
  • Noise reduction varied by ROI, ranging from 18.4% in the globus pallidus to 47.9% in the lateral ventricle.
  • A strong inverse correlation (R=-0.92) was observed between noise reduction and estimated R2 values.

Conclusions:

  • Multiecho sequences provide an effective method for reducing noise in SWI phase images, enhancing image quality.
  • This approach maintains essential image contrast and acquisition efficiency.
  • The multiecho technique enables simultaneous calculation of R2 maps, adding further quantitative value to the imaging protocol.