FIG 15.

Representative [¹⁸F] flortaucipir images from 11 patients with nfvPPA and corresponding single-subject W score maps. Tracer retention in the frontal operculum and inferior or middle frontal gyrus is seen in all scans to varying degrees and is more pronounced on the left side. Patients 1–7 show additional bilateral-but-asymmetric frontal WM binding, while patients 8–11 demonstrate mild uptake in the prefrontal cortex. All scans show varying degrees of uptake in the bilateral basal ganglia. Adapted with permission from Tsai et al.⁸¹