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Abdominal MRI at 3.0 T: The Basics Revisited

¹ Department of Radiology, Duke University Medical Center, Duke North, Rm. 1417, Box 3808, Erwin Rd., Durham, NC 27710.
² Siemens Medical Solutions, USA, Cary, NC 27519.

Abstract

OBJECTIVE. The purpose of our article is to describe the underlying physics concepts of abdominal MRI at 3.0 T and their impact on signal-to-noise ratio, susceptibility artifacts, chemical shift artifacts, and dielectric effects.

CONCLUSION. Abdominal MR sequence protocols optimized for 1.5-T scanners should not be transferred to 3.0 T without substantial modification. In addition, specific patient groups—for example, large patients with ascites—are not well suited to undergo an abdominal MRI study at 3.0 T.

Keywords: abdominal imaging • field strength • MRI • MRI technique • physics

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