4.3 Article

High field body MR imaging - Preliminary experiences

期刊

CLINICAL IMAGING
卷 28, 期 3, 页码 159-162

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ELSEVIER SCIENCE INC
DOI: 10.1016/S0899-7071(03)00151-7

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magnetic resonance imaging; high magnetic field strength; 4 T; body

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Whole-body magnetic resonance (MR) scanners at high field strengths (greater than or equal to3 T) have been introduced in expectation of a larger signal-to-noise ratio (SNR), which would decrease the length of scan time or improve the spatial resolution. In this paper, the advantages and disadvantages of the high field MR imaging are discussed. Although the building of the radio frequency (RF) coil, safety and the specific absorption rate (SAR) are issues, the application of high field MR imaging is promising. The optimization of all parameters including injection rate of Gd-DTPA is necessary for high field MR imaging to obtain maximal results; however, we hope that high field MR imaging can be used in routine clinical applications in the future. (C) 2004 Elsevier Inc. All rights reserved.

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