MAPT and argyrophilic grain disease: NFTs are also found in other neurodegenerative diseases so called “tauopathies” such as familial forms of frontotemporal lobar degeneration with tau-immunoreactive inclusions (FTD-tau), corticobasal degeneration (CBD), progressive supranuclear palsy (PSP), argyrophilic grain disease (AGD), Pick disease (PiD) and others [17, 88].