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

Dedicated phased-array coil for peripheral MRA.

R Janka1, F Fellner, C Fellner

  • 1Department of Diagnostic Radiology, Friedrich Alexander University Erlangen-Nuremberg, Germany.

European Radiology
|November 30, 2000
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

Transhepatic embolization of jejunal variceal bleeding in a patient with liver cirrhosis: a case report.

Wiener klinische Wochenschrift·2025
Same author

Comparison of Readout-Segmented Echo-Planar Imaging and Single-Shot TSE DWI for Cholesteatoma Diagnostics.

AJNR. American journal of neuroradiology·2021
Same author

[Back pain : State of the art and guidelines].

Der Radiologe·2019
Same author

Influence of hepatic fibrosis and inflammation: Correlation between histopathological changes and Gd-EOB-DTPA-enhanced MR imaging.

PloS one·2019
Same author

[Update cartilage imaging of the small joints : Focus on high-field MRI].

Der Radiologe·2019
Same author

Diagnostic accuracy and interobserver variability of Dynamic Vascular Pattern (DVP) in primary liver malignancies - A simple semiquantitative tool for the analysis of contrast enhancement patterns.

Clinical hemorheology and microcirculation·2017
Same journal

ESR Essentials: pelvic floor imaging-practice recommendations by the European Society of Urogenital Radiology.

European radiology·2026
Same journal

STIR or T2-Dixon? A false dilemma in musculoskeletal MRI.

European radiology·2026
Same journal

ESR Essentials: uterine cancers-practice recommendations by the European Society of Urogenital Radiology.

European radiology·2026
Same journal

Adjunctive quantification for more reproducible amyloid PET interpretation.

European radiology·2026
Same journal

APEX-NET: automated pancreatic evaluation network using early non-contrast CT.

European radiology·2026
Same journal

Temporal bone remodeling after venous stenting for pulsatile tinnitus: isolated dehiscence versus diverticulum.

European radiology·2026
See all related articles

A new T-shaped phased-array coil significantly improves magnetic resonance angiography (MRA) for peripheral arteries. This dedicated coil enhances image quality, signal-to-noise ratio (SNR), and contrast-to-noise ratio (CNR) by approximately 100%.

Area of Science:

  • Medical Imaging
  • Radiology
  • Biomedical Engineering

Background:

  • Peripheral artery disease diagnosis often relies on invasive angiography.
  • Magnetic Resonance Angiography (MRA) offers a non-invasive alternative but requires optimized imaging hardware.
  • Existing MRA techniques for peripheral arteries may lack sufficient image quality and diagnostic confidence.

Purpose of the Study:

  • To introduce and evaluate a novel, dedicated phased-array coil for MRA of the peripheral arteries (upper and lower legs).
  • To assess the performance of this new coil in terms of image quality, SNR, and CNR compared to conventional methods.
  • To explore the potential of this coil in establishing MR digital subtraction angiography (DSA) as a non-invasive alternative to intra-arterial DSA.

Main Methods:

Related Experiment Videos

  • Development of a T-shaped, flexible phased-array coil with eight circularly polarized channels.
  • Combination of the dedicated coil with body and spine phased-array coils for comprehensive lower limb and pelvic coverage.
  • Clinical evaluation in six patients undergoing peripheral MRA.
  • Comparative analysis of image quality, SNR, and CNR against MRA performed with a standard body resonator.

    • Main Results:

    • The dedicated phased-array coil demonstrated considerably improved image quality compared to the body resonator.
    • Significant increases in signal-to-noise ratio (SNR) and contrast-to-noise ratio (CNR) of approximately 100% were observed.
    • The coil was noted for its quick and simple handling, comparable to other surface coils.

    Conclusions:

    • The dedicated phased-array coil represents a significant advancement for peripheral MRA.
    • This coil technology substantially enhances image quality and quantitative performance metrics (SNR, CNR).
    • Further studies are warranted to fully establish its role as a non-invasive alternative to intra-arterial DSA for peripheral artery visualization.