Radiography
Volume 13, Supplement 1 , Pages e20-e30, December 2007

Pulse sequences for contrast-enhanced magnetic resonance imaging

Departments of Radiology and Medical Physics, Cambridge University Hospitals NHS Foundation Trust, Cambridge, CB2 2QQ, UK

Received 31 July 2006; accepted 4 October 2006.

Abstract 

The theory and application of magnetic resonance imaging (MRI) pulse sequences following the administration of an exogenous contrast agent are discussed. Pulse sequences are categorised according to the contrast agent mechanism: changes in proton density, relaxivity, magnetic susceptibility and resonant frequency shift. Applications in morphological imaging, magnetic resonance angiography, dynamic imaging and cell labelling are described. The importance of optimising the pulse sequence for each application is emphasised.

Keywords: Magnetic resonance imaging (MRI), Contrast agents, Pulse sequences, Relaxation times, Magnetic susceptibility, Resonant frequency shift

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PII: S1078-8174(06)00119-2

doi:10.1016/j.radi.2006.10.002

Radiography
Volume 13, Supplement 1 , Pages e20-e30, December 2007

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