Saturation-recovery Snapshot Flash Reduces Rf Pulse Angle Inhomogeneity Artefacts in Dce-mri of the Breast at 3

Abstract

INTRODUCTION Radiofrequency (RF) pulse angle inhomogeneity is a significant problem in breast MRI at 3T. Dynamic contrast-enhanced (DCE)-MRI of the breast with FLASH is susceptible to this RF inhomogeneity, and results in errors in the measurement of tumour enhancement ratio (ER) [1], where ER is a function of changes in relaxation rate (ΔR1) and represents… (More)

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