Abdominal magnetic resonance imaging at 3.0 T: Problem or a promise for the future?

Shahid M. Hussain, Piotr A. Wielopolski, Diego R Martin

Research output: Contribution to journalArticle

44 Citations (Scopus)

Abstract

The development of transmit-receive body coils and local and phased-array radiofrequency receive coils for 3.0-T magnetic resonance imaging (MRI) systems, and their recent approval in Europe and North America has promoted a move toward higher field, whole-body MRI. With approximately double the signal-noise ratio of a 1.5-T system, 3.0-T MR systems can substantially improve image quality and image acquisition speed; 3.0 T can potentially deliver √2 improvement in resolution in the same acquisition time of a comparable study at 1.5 T or one-half slice thickness with identical coverage or 4-fold speedup in scanning time for identical resolution settings. Parallel imaging, multiple coil elements, specific absorption rate, and altered MR physical properties at 3.0 T (T1 relaxation times, susceptibility, T2*) are important issues during optimization of sequences at high field. Possible future applications in the abdomen include high-resolution, contrast-enhanced imaging of the liver and pancreas; MR angiography; and MR spectroscopy. In this article, we will present our initial experience with optimization of sequences for abdominal MRI at 3.0 T and will include a short description of parallel imaging because of its importance for imaging at 3.0 T, general remarks comparing some of the physical properties of 1.5 T and 3.0 T, and some of the challenges during sequence optimization for the abdomen at 3.0 T with examples of abdominal MRI at 3.0 T with 4- and 8-channel coils.

Original languageEnglish (US)
Pages (from-to)325-335
Number of pages11
JournalTopics in Magnetic Resonance Imaging
Volume16
Issue number4
DOIs
StatePublished - Jul 2005
Externally publishedYes

Fingerprint

Magnetic Resonance Imaging
Abdomen
North America
Pancreas
Angiography
Magnetic Resonance Spectroscopy
Liver

Keywords

  • 3.0 T
  • Abdomen
  • High-field MRI
  • Magnetic resonance imaging
  • Parallel imaging
  • Specific absorption rate

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging
  • Radiological and Ultrasound Technology

Cite this

Abdominal magnetic resonance imaging at 3.0 T : Problem or a promise for the future? / Hussain, Shahid M.; Wielopolski, Piotr A.; Martin, Diego R.

In: Topics in Magnetic Resonance Imaging, Vol. 16, No. 4, 07.2005, p. 325-335.

Research output: Contribution to journalArticle

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