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Isolated bulbar paralysis in a patient with medullar tau pathology: a case report

J Pretnar-Oblak1, M Zaletel, T M Hajnsek

  • 1Department of Neurology, Ljubljana University Medical Centre, Ljubljana, Slovenia. janja.pretnar@kclj.si

Journal of Neurology, Neurosurgery, and Psychiatry
|June 22, 2010
PubMed

Insights

This study details a rare case of Alzheimer's disease presenting with severe respiratory and swallowing issues due to brainstem degeneration. The findings highlight a potential new manifestation of tau pathology in Alzheimer's disease.

Area of Science:

  • Neurology
  • Pathology
  • Neuroscience

Background:

  • Alzheimer's disease (AD) is typically characterized by cortical and subcortical neurodegeneration.
  • Subcortical degeneration in AD can lead to increased morbidity and mortality.
  • Pathological evidence for subcortical degeneration in AD is limited.

Observation:

  • A 77-year-old patient presented with a 6-year history of dyspnea, stridor, and dysphagia.
  • These symptoms significantly impacted the patient's quality of life.
  • Clinical presentation suggested a neurological disorder affecting vital functions.

Findings:

  • Histopathological examination revealed extensive tau pathology in the medulla.
  • The observed medullary tau pathology correlated with the patient's primary symptoms.
  • This finding suggests a potential link between medullary degeneration and the patient's clinical manifestations.

Implications:

  • The case suggests that tau pathology in the medulla may manifest as respiratory and swallowing difficulties.
  • This presentation could represent an atypical progression of Alzheimer's disease.
  • Further research is needed to determine if this is a novel tauopathy or a variant of AD.

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