Quantitative Susceptibility Mapping: MRI at 7T versus 3T

BACKGROUND AND PURPOSE Ultrahigh‐field 7T promises more than doubling the signal‐to‐noise ratio (SNR) of 3T for magnetic resonance imaging (MRI), particularly for MRI of magnetic susceptibility effects induced by B 0 . Quantitative susceptibility mapping (QSM) is based on deconvolving the induced phase (or field) and would therefore benefit substantially from 7T. The purpose of this work was to compare QSM performance at 7T versus 3T in an...