Journal of Medical Imaging and Radiation Sciences
Volume 41, Issue 2 , Pages 47-56, June 2010

Liver MRI Technique: Pulse Sequences and Contrast Agents

  • Joseph Trieu, MBBS, MPH, FRANZCR

      Affiliations

    • Department of Radiology, Concord Hospital, Sydney, NSW, Australia
    • Corresponding Author InformationCorresponding author: Joseph Trieu, Department of Radiology, Concord Hospital, Hospital Road, Concord, NSW, 2137, Australia
  • ,
  • Louis Wu, MD, CM, FRCPC

      Affiliations

    • Department of Diagnostic Imaging, Oshawa General Hospital, Lakeridge Health, Oshawa, Ontario

published online 20 April 2010.

Abstract 

Developments in magnetic resonance imaging (MRI) techniques have expanded the role of MRI in evaluating the liver. Although a single optimized protocol for standard hepatic MRI examination has not been established or agreed on, key elements to a successful exam are generally accepted. In determining the “best” protocol, one must first understand the numerous pulse sequences and contrast agents available to the technologist and how each contributes to the final interpretation by the radiologist. This article will attempt to review the most commonly used pulse sequences for imaging the liver, with comment on their uses, advantages, and limitations. The spectrum of contrast agents available for use in liver MRI will also be discussed.

Résumé 

Le développement des techniques de RM a élargi le rôle de l'IRM dans l’évaluation du foie. Bien qu'aucun protocole optimisé particulier n'ait été établi ou accepté pour un examen du foie standard par IRM, les éléments principaux d'un examen réussi sont généralement acceptés. Dans la détermination du « meilleur » protocole, il faut d'abord comprendre les nombreuses séquences d'impulsion et les agents de contrastes dont dispose le technologue et comment chacun de ces éléments contribue à l'interprétation finale faite par le radiologiste. Cet article tente de passer en revue les séquences d'impulsions les plus fréquemment utilisées en imagerie du foie, avec des commentaires sur leur utilisation, leurs avantages et leurs limites. L'article examine également la gamme d'agents de contraste disponibles en IRM hépatique.

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PII: S1939-8654(10)00005-6

doi:10.1016/j.jmir.2010.01.003

Journal of Medical Imaging and Radiation Sciences
Volume 41, Issue 2 , Pages 47-56, June 2010