After coming to post-mortem, 31 (7%) of the PSP cases had a pathological diagnosis, of which 29 (94%) showed 4R tau pathology consistent with PSP, whereas two cases that presented with PSP-RS had non-PSP tau pathology (one corticobasal degeneration and one globular glial tauopathy). The gene discussed is MAPT; the disease is supranuclear palsy, progressive, 1.