Abstract:Purpose: Inhomogeneous excitation at ultrahigh field strengths (7T and above) compromises the reliability of quantified dynamic contrast-enhanced breast MRI. This can hamper the introduction of ultrahigh field MRI into the clinic. Compensation for this non-uniformity effect can consist of both hardware improvements and postacquisition corrections. This paper investigated the correctable radiofrequency transmit (B + 1 ) range post-acquisition in both simulations and patient data for 7T MRI. Methods: Simulations… Show more
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