Identification of an atypical variant of logopenic progressive aphasia

► We found an association between aphasia and neurocognitive severity in lvPPA. ► We found an association between aphasia severity and temporoparietal atrophy in lvPPA. ► We did not find an association between in aphasia severity and disease duration in lvPPA. ► We describe an atypical variant of lvPPA with mild clinical features despite long disease duration.