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Differential degeneration of the locus coeruleus in dementia subtypes.

Brunnström, Hans LU orcid ; Friberg, N LU ; Lindberg, E and Englund, Elisabet LU orcid (2011) In Clinical Neuropathology 30(3). p.104-110
Abstract
Objective: Neuronal loss in the locus coeruleus (LC) is common in Alzheimer's disease (AD), dementia with Lewy bodies (DLB) and Parkinson's disease dementia (PDD). The aims of the present study were to investigate LC degeneration in different dementia disorders including vascular dementia (VaD) and frontotemporal lobar degeneration (FTLD), to compare LC degeneration with severity of pathology in AD and DLB/PDD, to further evaluate the usefulness of a previously presented scoring system and to examine the predictive value of macroscopic assessment of the LC. Methods: A horizontal mid-level section of the pons was examined in 200 neuropathologically examined cases with clinical dementia. A previous macroscopic assessment of the LC was... (More)
Objective: Neuronal loss in the locus coeruleus (LC) is common in Alzheimer's disease (AD), dementia with Lewy bodies (DLB) and Parkinson's disease dementia (PDD). The aims of the present study were to investigate LC degeneration in different dementia disorders including vascular dementia (VaD) and frontotemporal lobar degeneration (FTLD), to compare LC degeneration with severity of pathology in AD and DLB/PDD, to further evaluate the usefulness of a previously presented scoring system and to examine the predictive value of macroscopic assessment of the LC. Methods: A horizontal mid-level section of the pons was examined in 200 neuropathologically examined cases with clinical dementia. A previous macroscopic assessment of the LC was performed in 149 of the cases. Results: Cases with DLB/ PDD and AD presented with the highest microscopic LC degeneration scores, with significant differences compared to combined AD + VaD, in turn with a higher score than VaD, FTLD and other dementia disorders. Interrater agreement (weighted kappa;) for LC degeneration scoring was 0.83 - 0.91. DLB/ PDD, AD and AD + VaD were the diagnoses for 85% of the cases with macroscopic LC depigmentation. Conclusion: LC degeneration, which may be macroscopically noted, often indicates synuclein and/or Alzheimer pathology among demented. When clinical information is scarce or inconsistent, a macroscopic assessment of the LC may facilitate focusing of the subsequent neuropathological investigation. Also, the semiquantitative scoring system is a reliable tool for histological assessment of LC degeneration. (Less)
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author
; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Clinical Neuropathology
volume
30
issue
3
pages
104 - 110
publisher
Dustri-Verlag
external identifiers
  • pmid:21545773
  • wos:000290877400003
  • scopus:79960121463
ISSN
0722-5091
DOI
10.5414/NPP30104
language
English
LU publication?
yes
additional info
The information about affiliations in this record was updated in December 2015. The record was previously connected to the following departments: Pathology, (Lund) (013030000)
id
6c334336-8fbe-4e6e-be18-0af12691d2d6 (old id 1973118)
alternative location
http://www.ncbi.nlm.nih.gov/pubmed/21545773?dopt=Abstract
date added to LUP
2016-04-04 09:28:23
date last changed
2020-10-20 02:11:11
@article{6c334336-8fbe-4e6e-be18-0af12691d2d6,
  abstract     = {Objective: Neuronal loss in the locus coeruleus (LC) is common in Alzheimer's disease (AD), dementia with Lewy bodies (DLB) and Parkinson's disease dementia (PDD). The aims of the present study were to investigate LC degeneration in different dementia disorders including vascular dementia (VaD) and frontotemporal lobar degeneration (FTLD), to compare LC degeneration with severity of pathology in AD and DLB/PDD, to further evaluate the usefulness of a previously presented scoring system and to examine the predictive value of macroscopic assessment of the LC. Methods: A horizontal mid-level section of the pons was examined in 200 neuropathologically examined cases with clinical dementia. A previous macroscopic assessment of the LC was performed in 149 of the cases. Results: Cases with DLB/ PDD and AD presented with the highest microscopic LC degeneration scores, with significant differences compared to combined AD + VaD, in turn with a higher score than VaD, FTLD and other dementia disorders. Interrater agreement (weighted kappa;) for LC degeneration scoring was 0.83 - 0.91. DLB/ PDD, AD and AD + VaD were the diagnoses for 85% of the cases with macroscopic LC depigmentation. Conclusion: LC degeneration, which may be macroscopically noted, often indicates synuclein and/or Alzheimer pathology among demented. When clinical information is scarce or inconsistent, a macroscopic assessment of the LC may facilitate focusing of the subsequent neuropathological investigation. Also, the semiquantitative scoring system is a reliable tool for histological assessment of LC degeneration.},
  author       = {Brunnström, Hans and Friberg, N and Lindberg, E and Englund, Elisabet},
  issn         = {0722-5091},
  language     = {eng},
  number       = {3},
  pages        = {104--110},
  publisher    = {Dustri-Verlag},
  series       = {Clinical Neuropathology},
  title        = {Differential degeneration of the locus coeruleus in dementia subtypes.},
  url          = {http://dx.doi.org/10.5414/NPP30104},
  doi          = {10.5414/NPP30104},
  volume       = {30},
  year         = {2011},
}