Amyloid-β PET Radioligands in Alzheimer's Disease: From Plaque Detection to Biomarker-Guided Patient Stratification and Therapeutic Monitoring.
A narrative review of the principal Aβ positron emission tomography radioligands and their methodological framework, including visual reads, the standardized uptake value ratio, and the Centiloid scale, which harmonized quantitative output across tracers, scanners, and protocols and may enable cross-site comparison in...