Altered T1w/T2w-FLAIR Ratio in White Matter Hyperintensities as an Indicator of Structural Integrity Loss: Association with Alzheimer’s Disease and Vascular Dementia
Residualized WMH T1w/T2w-FLAIR ratio captures lesion-specific microstructural variation missed by volumetric measures, consistent with vascular-gliotic injury in VD and coexisting amyloid-linked demyelination in AD.