TSPO and Alzheimer disease: In support of this, PET imaging with both [11C]PK11195 and second‐generation TSPO ligands have shown positive correlations between regional TSPO binding and amyloid load in AD and MCI (Dani et al., 2018; Fan, Aman, et al., 2015; Fan, Okello, et al., 2015; Hamelin et al., 2016; Knezevic et al., 2017; Parbo et al., 2017; Parbo et al., 2018).