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Giant axonal neuropathy. A review.

R A Ouvrier1

  • 1TY Nelson Department of Neurology, Children's Hospital, Camperdown, NSW, Australia.

Brain & Development
|January 1, 1989
PubMed
Summary

Giant axonal neuropathy is a severe, inherited neurological disorder affecting nerve cells. This condition causes progressive disability and has no effective treatment, often leading to severe impairment by the second decade of life.

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Area of Science:

  • Neurology
  • Genetics
  • Cell Biology

Background:

  • Giant axonal neuropathy (GAN) is a rare, inherited disorder affecting cytoplasmic intermediate filaments.
  • Initially considered a peripheral nervous system disorder, evidence now indicates progressive central nervous system involvement.

Purpose of the Study:

  • To summarize the clinical presentation, pathological findings, and inheritance patterns of giant axonal neuropathy.
  • To highlight the progressive nature and poor prognosis of the condition.

Main Methods:

  • Review of clinical case reports and pathological findings.
  • Analysis of inheritance patterns based on reported family data.

Main Results:

  • Over 20 cases reported, typically presenting in early childhood with clumsiness and weakness.
  • Progressive neurological deficits include dysarthria, cerebellar signs, and pyramidal tract involvement.
  • Characteristic features include tightly curled hair; central nervous system, including brain and spinal cord, involvement is progressive.

Conclusions:

  • Giant axonal neuropathy is an autosomal recessive disorder with significant neurological impact.
  • No effective treatments are currently available, and the prognosis is poor, with most patients severely disabled or deceased by age 20.

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