Behavioural Neurology / 2014 / Article / Tab 1

Research Article

Evaluation of Incidence and Clinical Features of Antibody-Associated Autoimmune Encephalitis Mimicking Dementia

Table 1

Dementia patients with atypical features that were presumed to be suggestive of autoimmune encephalitis.

AD ( )FTD ( )DLB ( )

Presenile onset of dementia1 (2.5%)2 (20%)0 (0%)
Rapid progression5 (12.8%)3 (30%)1 (100%)
Subacute onset of dementia0 (0%)0 (0%)1 (100%)
Atypical onset of dementia (PPA or PCA)1 (2.5%) 1 (10%)0 (0%)
Seizures6 (15.3%) 3 (30%) 0 (0%)
Positive OCB and/or CSF pleocytosis*1 (2.5%)2 (20%)0 (0%)
Multiple white matter lesions without a vascular risk factor1 (2.5%)1 (10%)0 (0%)

AD: Alzheimer disease; FTD: frontotemporal dementia; DLB: dementia with Lewy body; PPA: primary progressive aphasia; PCA: posterior cortical atrophy; OCB: oligoclonal band; CSF: cerebrospinal fluid.
CSF examination was performed only in 7 dementia patients.