Respiratory navigated free breathing 3D spoiled gradient-recalled echo sequence for contrast-enhanced examination of the liver: diagnostic utility and comparison with free breathing and breath-hold conventional examinations

AJR Am J Roentgenol. 2010 Sep;195(3):687-91. doi: 10.2214/AJR.09.3892.


Objective: The purpose of our study was to evaluate image quality in a 3D spoiled gradient-recalled echo (SPGR) sequence that was modified to incorporate respiratory navigation to limit the deleterious effects of respiratory motion and to compare it with conventional scanning during breath-holding and free breathing.

Conclusion: Respiratory navigation of 3D SPGR sequences is technically feasible, and image quality is modestly improved over free breathing acquisitions using conventional 3D SPGR sequences. This may represent a promising imaging alternative for patients who cannot hold their breath.

Publication types

  • Comparative Study

MeSH terms

  • Adult
  • Contrast Media
  • Female
  • Gadolinium DTPA
  • Humans
  • Imaging, Three-Dimensional*
  • Liver Diseases / diagnosis*
  • Magnetic Resonance Imaging / methods*
  • Male
  • Middle Aged
  • Respiration*
  • Statistics, Nonparametric


  • Contrast Media
  • Gadolinium DTPA