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An autopsy case of Alzheimer's disease with a progressive supranuclear palsy overlap

K Urasaki1, K Kuriki, M Namerikawa

  • 1Department of Pathology, Omiya Medical Center, Jichi Medical School, Amanuma, Japan. kurasaki@jichi.ac.jp

Neuropathology : Official Journal of the Japanese Society of Neuropathology
|January 2, 2001
PubMed

Insights

This case study highlights a rare combination of progressive supranuclear palsy and Alzheimer's disease, both tauopathies, in an elderly patient. The findings suggest a potential new subgroup within tauopathy research.

Area of Science:

  • Neuropathology
  • Neurodegenerative Diseases
  • Tauopathies

Background:

  • Progressive supranuclear palsy (PSP) and Alzheimer's disease (AD) are distinct neurodegenerative disorders.
  • Both PSP and AD are characterized by the accumulation of tau protein aggregates, classifying them as tauopathies.
  • Co-occurrence of PSP and AD is pathologically rare.

Observation:

  • A 74-year-old male presented with progressive cognitive decline, including forgetfulness, speech difficulties, and disorientation.
  • Clinical progression included gait instability and falls at age 77, leading to being bedridden.
  • The patient died at age 79 from pneumonia.

Findings:

  • Neuropathological examination confirmed the co-existence of both progressive supranuclear palsy and Alzheimer's disease pathology.
  • The combined tauopathy presented a rare pathological profile.
  • The case suggests the possibility of a distinct subgroup within tauopathies.

Implications:

  • This rare case expands the understanding of tauopathy presentations.
  • Investigating such combined pathologies may reveal novel insights into disease mechanisms.
  • Further research into this potential tauopathy subgroup could inform diagnostic and therapeutic strategies.

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