Additionally, we examined co-registered [<sup>18</sup>F]PI-2620 PET and QSM data in the 31 patients with PSP to explore the relationship between tau accumulation and susceptibility changes.<h4>Results</h4>Compared to HCs, patients with PSP showed higher QSM values in left nucleus caudate (p = 0.04) and bilateral dentate nucleus (p = 0.04, p = 0.01). The gene discussed is MAPT; the disease is supranuclear palsy, progressive, 1.