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Related Experiment Videos

Peripheral neuropathy in scleroderma

M Corbo1, R Nemni, S Iannaccone

  • 1Department of Neurology, State University of Milan, Istituto Scientifico H. San Raffaele, Italy.

Clinical Neuropathology
|March 1, 1993
PubMed
Summary
This summary is machine-generated.

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Peripheral neuropathy is rare in progressive systemic sclerosis (PSS). This study found collagen type I in patients

Area of Science:

  • Neurology
  • Immunology
  • Rheumatology

Background:

  • Progressive systemic sclerosis (PSS) rarely involves the nervous system.
  • Peripheral neuropathy is an uncommon manifestation of PSS.

Observation:

  • Two patients with PSS and peripheral sensory motor neuropathy underwent clinical, pathological, and immunological evaluation.
  • Sural nerve biopsies revealed axonal degeneration, increased endoneurial connective tissue, and signs of axonal regeneration.
  • Mild microangiopathic changes were observed in peripheral nerve vessels.

Findings:

  • Western immunoblots detected reactivity in patients' sera to a peripheral nerve protein identified as collagen type I.
  • The findings suggest a potential role for collagen type I in PSS-related neuropathy.

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Implications:

  • Connective tissue proliferation, specifically abnormal collagen production, may be a key factor in the pathogenesis of PSS neuropathy.
  • This study highlights an unusual presentation of PSS, emphasizing the importance of considering neuropathic complications.