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Toxic polyneuropathy due to n-hexane.

R Scelsi, P Poggi, L Fera

    Journal of the Neurological Sciences
    |July 1, 1980
    PubMed
    Summary

    Industrial exposure to n-hexane caused toxic polyneuropathy in three women. Studies revealed nerve damage and muscle atrophy, confirming n-hexane

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    Area of Science:

    • Neuroscience
    • Toxicology
    • Occupational Health

    Background:

    • Peripheral neuropathy can result from exposure to industrial chemicals.
    • n-Hexane is a volatile solvent found in many adhesives.
    • Understanding n-hexane toxicity is crucial for workplace safety.

    Observation:

    • Three women presented with motor polyneuropathy after occupational exposure to an n-hexane-based adhesive.
    • Histological examination of sural nerves and soleus muscles was performed.
    • Changes were noted in large diameter nerve fibers, including myelin sheath and axonal alterations.

    Findings:

    • Nerve studies revealed polymorphous changes in myelin and axons, with swollen myelin, axonal swelling, neurotubule dissolution, and increased neurofilaments.
    • Schwann cell cytoplasm contained inclusion bodies; small fibers were unaffected.
    • Muscle biopsies showed denervation atrophy, focal myopathic changes, lymphocytic infiltrates, and phagocytosis.

    Implications:

    • This case study reinforces the neurotoxic effects of n-hexane on the peripheral nervous system.
    • The findings highlight the risk of developing toxic polyneuropathy and secondary myopathic changes from n-hexane exposure.
    • Occupational health guidelines should address n-hexane exposure risks.

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