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Related Experiment Videos

Cine spiral imaging

J R Liao1, F G Sommer, R J Herfkens

  • 1Department of Radiology, Richard M. Lucas Center for MR Imaging and Spectroscopy, Stanford, CA 94305, USA.

Magnetic Resonance in Medicine
|September 1, 1995
PubMed
Summary
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A new cine interleaved spiral imaging technique improves dynamic process imaging. This method overcomes artifacts and offers better temporal resolution than traditional methods.

Area of Science:

  • Medical imaging
  • Magnetic Resonance Imaging (MRI)

Background:

  • Dynamic processes require fast imaging techniques.
  • Conventional triggered (gated) methods suffer from "lightning-flash" artifacts.
  • Segmented k-space 2D Fourier Transform (2DFT) methods have limitations in temporal resolution.

Purpose of the Study:

  • To present a cine version of interleaved spiral imaging.
  • To demonstrate the method's ability to overcome artifacts.
  • To compare its performance against existing techniques.

Main Methods:

  • Implementation of cine interleaved spiral imaging.
  • Acquisition of k-space data in an interleaved spiral pattern.
  • Comparison with triggered (gated) and segmented k-space 2DFT methods.

Related Experiment Videos

Main Results:

  • The cine interleaved spiral imaging method effectively overcomes "lightning-flash" artifacts.
  • It achieves superior temporal resolution compared to segmented k-space 2DFT.
  • Comparable or shorter scan times were achieved.

Conclusions:

  • Cine interleaved spiral imaging is a promising technique for dynamic process imaging.
  • The method offers improved artifact reduction and temporal resolution.
  • Preliminary human studies support its clinical potential.