Quantitative T2 magnetic resonance imaging of white matter hyperintensities in Alzheimer"s Disease.
Written in English
About the Edition
Quantitative T2 was used to evaluate white matter hyperintensities (WMH) in 3 subjects with probable Alzheimer"s Disease (AD) and 4 normal controls. Two different types of WMH were found. In the first type (WMH1), the T2 spectra showed an increase of the position in the long T2 component when compared to normal appearing white matter. In second type (WMH2), the area of the short T2 component decreased, the position of the long T2 component increased, and a split of the long T2 component was observed. All of the WMH in Alzheimer patients were WMH2, indicative of demyelination and axonal loss. Three of the four normal controls exhibited WMH1, suggesting inflammation. The results of this study show that similar appearing WMH may exhibit different pathology. It remains to be seen whether the type of WMH could be predictive of AD or cognitive decline.
|The Physical Object|
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