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Related Experiment Videos

Three-dimensional low dose gadolinium-enhanced peripheral MR venography

W Li1, V David, R Kaplan

  • 1Department of Radiology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA 02215, USA.

Journal of Magnetic Resonance Imaging : JMRI
|June 17, 1998
PubMed
Summary

Low dose contrast-enhanced (LCE) peripheral MR venography (MRV) effectively visualizes venous anatomy. This faster, sharper 3D technique shows more veins than 2D TOF, aiding in diagnosing venous disorders.

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Area of Science:

  • Radiology
  • Medical Imaging

Background:

  • Peripheral venous imaging is crucial for diagnosing conditions like deep vein thrombosis.
  • Traditional techniques like 2D time-of-flight (TOF) MR venography have limitations in speed and image quality.

Purpose of the Study:

  • To evaluate the initial experience and efficacy of low dose contrast-enhanced (LCE) peripheral MR venography (MRV).
  • To assess the feasibility of a 3D fast imaging with a steady-state precession (FISP) sequence for LCE MRV.

Main Methods:

  • Five subjects underwent lower extremity MRV using a 3D FISP sequence with a low dose of gadopentetate dimeglumine (60 ml diluted 1:20).
  • A tourniquet was applied during the examination.
  • Image acquisition time, sharpness, and depicted venous structures were compared to 2D TOF techniques.

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Main Results:

  • The 3D LCE technique successfully depicted venous anatomy in all subjects.
  • Acquisition time was significantly shorter compared to 2D TOF.
  • Images were sharper, visualized more veins, and were not affected by in-plane saturation.

Conclusions:

  • 3D LCE peripheral MR venography is a promising technique for venous imaging.
  • Its speed, image quality, and ability to be repeated due to low contrast dose make it suitable for detecting venous thrombosis and other disorders.