Journal of neuroimaging : official journal of the American Society of Neuroimaging
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The acute phase of the neonatal classical form of maple syrup urine disease (MSUD) is usually associated with generalized brain edema. ⋯ ADC measurements in MSUD provide more specific information than conventional MRI about the pathophysiology of white matter changes.
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Usually, microembolic signal (MES) monitoring is performed for MESs arising from downstream sources. The aim of this study is to describe the special characteristics of MESs originating from nearby sources in the middle cerebral artery (MCA). ⋯ MESs recorded from MCA stenoses may have special characteristics of multiple frequencies on both post-FFT spectra and pre-FFT time domain signals. Our findings may represent rotating or vibrating emboli as they are just dislodged from the thrombus and are moving from the vessel wall to the center. Further clinical and laboratory studies are needed to confirm this hypothesis.