Abstract

As the race for increased magnetic field strength continues, ultra high field magnetic resonance systems are entering the clinical arena. Human brain imaging at ultra high field (7, 8, and 9.4 Tesla) offers an unprecedented resolution for anatomical imaging that approaches in-vivo microscopy. Results from healthy volunteers and from stroke and tumor studies have demonstrated that high field MRI can visualize microvasculature, details of pathological conditions, and iron deposits with a resolution not obtainable at lower fields. High-resolution maps of brain function and biochemical markers have been obtained at 7 Tesla. Clinical brain imaging is feasible at ultra high magnetic field, but more studies need to be done to determine its diagnostic potential.

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