Hear from COL Robert Shih MD, Uniformed Services University and Walter Reed National Military Medical Center about MAGNUS* for biomarker discovery in mild traumatic brain injury patients.

MAGNUS (Microstructure Anatomy Gradient for Neuroimaging with Ultrafast Scanning), a collaboration between GE HealthCare, GE Global Research Center and USU, is an advanced gradient MR platform designed to improve diffusion imaging at high b-values without significantly increasing peripheral nerve stimulation or incurring SNR loss. The team designed the MAGNUS gradient system for greater efficiency, resulting in higher maximum gradient amplitude while controlling the inductance to achieve high slew rates with rapid EPI switching and shorter TEs for increased SNR and decreased distortion.

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The University of Iowa MR Research Facility (MRRF) is at the forefront of high-field, neuroscience-focused research. The center’s Discovery™ MR950‡, a research-based 7T MR system, was recently upgraded to the SIGNA™ 7T‡‡, GE HealthCare’s powerful new platform for advancing neurological research and clinical translation.

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This article discusses what MR users want out of their gradient systems and how the technology continues to improve our ability to meet those needs. Read out how some of the key specifications for gradient coils and how these specifications interact and affect an MR system’s ability to deliver the images we want.

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Designed to overcome the limitations for many of today’s clinical MR systems, the SIGNA™ 7T is a powerful new platform for advancing neurological research and clinical translation. Approximately five times more powerful than most clinical systems, SIGNA™ 7T is designed to detect subtle structures that may be significant for clinicians and researchers alike.