Cerebrospinal fluid p‐tau181, 217, and 231 in definite Creutzfeldt–Jakob disease with and without concomitant pathologies

The established cerebrospinal fluid (CSF) phosphorylated tau181 (p-tau181) may not reliably reflect concomitant Alzheimer's disease (AD) and primary age-related tauopathy (PART) found in Creutzfeldt-Jakob disease (CJD) at autopsy.