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Dement Geriatr Cogn Disord. 2000 Jul-Aug;11(4):187-92.

Beta-amyloid deposition in the temporal lobe of patients with dementia with Lewy bodies: comparison with non-demented cases and Alzheimer's disease.

Author information

1
Vision Sciences, Aston University, Birmingham, UK. R.A.Armstrong@aston.ac.uk

Abstract

beta-Amyloid (Abeta) deposition in regions of the temporal lobe in patients with dementia with Lewy bodies (DLB) was compared with elderly, non-demented (ND) cases and with Alzheimer's disease (AD). The distribution, density and clustering patterns of diffuse, primitive and classic Abeta deposits were similar in 'pure' DLB and ND cases. The distribution of Abeta deposits and the densities of the diffuse and primitive deposits were similar in 'mixed' DLB/AD cases compared with AD. However, the density of the classic deposits was significantly lower in DLB/AD compared with AD. In addition, the primitive Abeta deposits occurred more often in small, regularly spaced clusters in the tissue and less often in a single large cluster in DLB/AD compared with 'pure' AD. These results suggest that pure DLB and AD are distinct disorders which can coexist in some patients. However, the Abeta pathology of DLB/AD cases is not identical to that observed in patients with AD alone.

PMID:
10867443
DOI:
10.1159/000017235
[Indexed for MEDLINE]

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