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Positron emission tomography (PET) amyloid-β (Aβ) status reading workflow. SUVR, Standardised Uptake Value Ratio; Q, quantification of SUVR; FS, parcellation of cerebral structures based on Freesurfer imaging pipeline; QC, quality control assessment; VIS, result of visual assessment of amyloid PET; Aβ+, assessed as Aβ positive based on visual and/or quantitative (SUVR) analysis of amyloid PET.
