To report the clinical, neuropsychological, linguistic, imaging, and neuropathological features of a unique
case of sporadic Jakob - Creutzfeldt disease in which the patient presented with a logopenic variant of primary progressive aphasia.
Case report.Large referral center for
atypical memory and aging disorders, particularly Jakob - Creutzfeldt disease.Patient presenting with logopenic variant primary progressive aphasia initially thought to be due to Alzheimer disease.Despite the long, slow 3.5 - year course, the patient was shown to have pathology - proven sporadic Jakob - Creutzfeldt disease.These findings expand the differential of primary progressive aphasia to
include prion disease.