Abnormal metabolic brain imaging by MRS High myoinositol in brain by MRS 2017-05-05T10:59:49Z An elevated level of myoinositol in the brain identified by magnetic resonance spectroscopy (MRS). Myo-Inositol (MI) is one of the most abundant metabolites in the human brain located mainly in glial cells and functions as an osmolyte. The concentration of MI is altered in many brain disorders including Alzheimer's disease and brain tumors. High myo-inositol in brain by MRS