Hippocampal pathology in progressive supranuclear palsy (PSP): a quantitative study of 8 cases

Richard A. Armstrong, Peter L. Lantos, Nigel J. Cairns

Research output: Contribution to journalArticle

Abstract

Objective: To quantify the neuronal and glial cell pathology in the hippocampus and the parahippocampal gyrus (PHG) of 8 cases of progressive supranuclear palsy (PSP). Material: tau-immunolabeled sections of the temporal lobe of 8 diagnosed cases of PSP. Method: The densities of lesions were measured in the PHG, CA sectors of the hippocampus and the dentate gyrus (DG) and studied using spatial pattern analysis. Results: Neurofibrillary tangles (NFT) and abnormally enlarged neurons (EN) were most frequent in the PHG and in sector CA1 of the hippocampus, oligodendroglial inclusions (“coiled bodies”) (GI) in the PHG, subiculum, sectors CA1 and CA2, and neuritic plaques (NP) in sectors CA2 and CA4. The DG was the least affected region. Vacuolation and GI were observed in the alveus. No tufted astrocytes (TA) were observed. Pathological changes exhibited clustering, the lesions often exhibiting a regular distribution of the clusters parallel to the tissue boundary. There was a positive correlation between the degree of vacuolation in the alveus and the densities of NFT in CA1 and GI in CA1 and CA2. Conclusion: The pathology most significantly affected the output pathways of the hippocampus, lesions were topographically distributed, and hippocampal pathology may be one factor contributing to cognitive decline in PSP.
Original languageEnglish
Pages (from-to)46-53
Number of pages8
JournalClinical Neuropathology
Volume28
Issue number1
DOIs
Publication statusPublished - Jan 2009

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Progressive Supranuclear Palsy
Parahippocampal Gyrus
Hippocampus
Pathology
Neurofibrillary Tangles
Dentate Gyrus
Coiled Bodies
Spatial Analysis
Inclusion Bodies
Amyloid Plaques
Temporal Lobe
Neuroglia
Astrocytes
Cluster Analysis
Neurons

Keywords

  • progressive supranuclear palsy
  • PSP
  • neurofibrillary tangle
  • NFT
  • glial inclusion
  • coiled body
  • GI
  • neuritic plaque
  • NP
  • hippocampus

Cite this

Armstrong, Richard A. ; Lantos, Peter L. ; Cairns, Nigel J. / Hippocampal pathology in progressive supranuclear palsy (PSP): a quantitative study of 8 cases. In: Clinical Neuropathology. 2009 ; Vol. 28, No. 1. pp. 46-53.
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Hippocampal pathology in progressive supranuclear palsy (PSP): a quantitative study of 8 cases. / Armstrong, Richard A.; Lantos, Peter L.; Cairns, Nigel J.

In: Clinical Neuropathology, Vol. 28, No. 1, 01.2009, p. 46-53.

Research output: Contribution to journalArticle

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