Home > Publications database > Progressive Supranuclear Palsy: Subcortical Tau Depositions Are Associated with Cortical Perfusion in Frontal and Limbic Regions > print

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024 7 _ |a 10.34734/FZJ-2024-04901
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100 1 _ |a Theis, Hendrik
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245 _ _ |a Progressive Supranuclear Palsy: Subcortical Tau Depositions Are Associated with Cortical Perfusion in Frontal and Limbic Regions
260 _ _ |a Amsterdam
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520 _ _ |a In progressive supranuclear palsy (PSP), subcortical tau and cortical perfusion can be assessed using the tracer [18F]PI-2620. We investigated if subcortical tau (globus pallidus internus, dentate nucleus) and frontal/limbic perfusion correlate in a cohort of 32 PSP patients. Tau in subcortical regions showed significant negative correlation with perfusion in limbic cortex. Perfusion in frontal regions was negatively associated with tau in both subcortical regions, but the significance threshold was only passed for the dentate nucleus. A reason could be a diaschisis-like phenomenon; that is, subcortical tau could lead to reduced connectivity to frontal regions and, thereby, to decreased perfusion.Keywords: FDG; PET; PSP; [18F]PI-2620; diaschisis; imaging; perfusion; progressive supranuclear palsy; tau.
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700 1 _ |a van Eimeren, Thilo
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