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Technical considerations in MR angiography: an image-based guide.

Authors
  • Morelli, John N
  • Gerdes, Clint M
  • Schmitt, Peter
  • Ai, Tao
  • Saettele, Megan R
  • Runge, Val M
  • Attenberger, Ulrike I
Type
Published Article
Journal
Journal of Magnetic Resonance Imaging
Publisher
Wiley (John Wiley & Sons)
Publication Date
Jun 01, 2013
Volume
37
Issue
6
Pages
1326–1341
Identifiers
DOI: 10.1002/jmri.24174
PMID: 23712843
Source
Medline
License
Unknown

Abstract

As the complexity of the magnetic resonance angiography (MRA) techniques grows, it becomes more difficult for the practicing radiologist to appreciate the physical principles underlying these studies. Nevertheless, such an understanding is requisite for improving clinical image quality. As radiologists are most accustomed to dealing with medical images in everyday practice, it seems natural that an image-based approach to teaching MRA physics, rather than complex mathematical equations or pulse sequence diagrams, would be preferable. This article adopts such an approach. Simple ways to improve MRA image quality are emphasized along with new technologies and their physical basis. The ultimate goal of the article is to facilitate the practicing radiologist becoming more aware of the variety of MR techniques available, being more confident in modifying sequence parameters to improve image quality and reduce contrast dose, and understanding the basis behind newer MRA techniques.

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