期刊
RADIOLOGIC CLINICS OF NORTH AMERICA
卷 52, 期 4, 页码 637-+出版社
W B SAUNDERS CO-ELSEVIER INC
DOI: 10.1016/j.rcl.2014.02.004
关键词
Gadolinium-based contrast agents; Extracellular space agents; Hepatocyte-specific contrast agents; Blood pool agents; Postgadolinium pulse sequences; Gadolinium chelate structure and stability
Proper selection of a gadolinium-based contrast agent (GBCA) for body magnetic resonance imaging (MRI) cases requires understanding the indication for the MRI exam, the key features of the different GBCAs, and the effect that the GBCA has on the selected imaging protocol. The different categories of GBCAs require timing optimization on postcontrast sequences and adjusting imaging parameters to obtain the highest T1 contrast. Gadoxetate disodium has many advantages when evaluating liver lesions, although there are caveats and limitations that need to be understood. Gadobenate dimeglumine, a high-relaxivity GBCA, can be used for indications when stronger T1 relaxivity is needed.
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