Optimization of gadodiamide concentration for MR arthrography at 3 T

被引：29

作者：

Masi, JN ^{[1
]}

Newitt, D ^{[1
]}

Sell, CA ^{[1
]}

Daldrup-Link, H ^{[1
]}

Steinbach, L ^{[1
]}

Majumdar, S ^{[1
]}

Link, TM ^{[1
]}

机构：

[1] Univ Calif San Francisco, Dept Radiol, San Francisco, CA 94143 USA

来源：

AMERICAN JOURNAL OF ROENTGENOLOGY | 2005年 / 184卷 / 06期

关键词：

D O I：

10.2214/ajr.184.6.01841754

中图分类号：

R8 [特种医学]; R445 [影像诊断学];

学科分类号：

1002 ; 100207 ; 1009 ;

摘要：

OBJECTIVE. The purpose of our study was to determine the optimal concentration of a gadolinium-based contrast agent (gadodiamide) for direct MR arthrography at 3 T compared with 1.5 T in an in vitro study. CONCLUSION. Optimized concentrations of gadolinium-based contrast agents for MR arthrography are similar at 3 and 1.5 T, although a slightly greater dilution may be useful at 3 T. Signal-to-noise ratio peak levels are significantly reduced by adding an iodinated contrast agent, relatively significantly more at 3 T than at 1.5 T.

引用

页码：1754 / 1761

页数：8

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