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Related Experiment Videos

Adult-type citrullinemia.

R Okeda1, M Tanaka, Y Kawahara

  • 1Department of Pathology, Tokyo Medical and Dental University, Japan.

Acta Neuropathologica
|January 1, 1989
PubMed
Summary

This autopsy study details adult-type citrullinemia, revealing specific neuropathological brain changes. Hypercitrullinemia is highlighted as crucial in the development of these characteristic cerebral alterations.

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Area of Science:

  • Neuropathology
  • Metabolic Disorders
  • Neurodegenerative Diseases

Background:

  • Adult-type citrullinemia is a rare urea cycle disorder.
  • Neuropathological findings in adult-type citrullinemia are not fully elucidated.
  • This report presents an autopsy case to further understand the condition.

Observation:

  • The case involved a 42-year-old male with adult-type citrullinemia.
  • Neuropathological examination revealed mixed cerebral changes, including pseudoulegyric and ischemic types of hepatocerebral disease.
  • Specific brain regions showed severe, symmetrical neuronal loss, characteristic of the pseudoulegyric pattern.

Findings:

  • Neuronal loss was most severe in the mediobasal frontal and occipital lobes, gyrus cinguli, claustrum, insula, and temporal lobe.
  • Watershed areas of the cerebral cortex, basal ganglia, and Purkinje cells were only mildly affected.
  • The study emphasizes the role of hypercitrullinemia in the pathogenesis of observed cerebral changes.

Implications:

  • Understanding the specific neuropathological patterns is vital for diagnosing and managing adult-type citrullinemia.
  • This case contributes to the understanding of hepatocerebral disease mechanisms.
  • Further research into hypercitrullinemia's neurotoxic effects is warranted.

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