Abstract #3396

The effect of black blood and fat suppression prepulses on signal modelling in T1-mapping and dynamic contrast enhanced MRI

Wilhelm Stehling¹, Myrte Wennen^1,2, Eric Schrauben¹, Pim van Ooij¹, Kak Khee Yeung³, Aart Nederveen¹, and Oliver Gurney-Champion^1,4

¹Radiology and Nuclear Medicine, Amsterdam University Medical Centers, Amsterdam, Netherlands, ²Department of Intensive Care, Erasmus Medical Centre, Rotterdam, Netherlands, ³Vascular Surgery, Amsterdam University Medical Centers, Amsterdam, Netherlands, ⁴Cancer Center Amsterdam, Imaging and Biomarkers, Amsterdam, Netherlands

Synopsis

Keywords: System Imperfections: Measurement & Correction, SimulationsIn this work, we derived an equation describing the signal evolution during an SGRE sequence with preparation pulses. The signal changes especially during the earlier RF pulses and differs from the values for later RF pulses, where it approaches the signal from an SPGR sequence without prepulses. Using the derived equation might enable more accurate DCE examinations.

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