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Related Experiment Videos

Double-lined frontoparietal scleroderma en coup de sabre.

P H Itin1, P Schiller

  • 1Department of Dermatology, University of Basel, Switzerland. pitin@hin.ch

Dermatology (Basel, Switzerland)
|November 13, 1999
PubMed
Summary

This study details a rare case of double-lined scleroderma en coup de sabre, exploring its connection to Blaschko lines. A genetic hypothesis suggests mosaicism contributes to this linear scleroderma presentation.

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Area of Science:

  • Dermatology
  • Genetics
  • Pathology

Background:

  • Scleroderma en coup de sabre is a rare subtype of localized scleroderma.
  • Its etiology is not fully understood, with genetic and environmental factors proposed.
  • Linear scleroderma variants often follow Blaschko lines, suggesting a developmental field defect.

Observation:

  • A rare case of double-lined frontoparietal scleroderma en coup de sabre is presented.
  • The lesion distribution followed the lines of Blaschko.
  • The patient exhibited characteristics of both scleroderma en coup de sabre and linear scleroderma.

Findings:

  • The observed pattern supports the association between scleroderma en coup de sabre and Blaschko lines.
  • A genetic hypothesis involving postzygotic mosaicism is proposed.
  • Mosaicism for susceptibility genes may underlie the development of linear scleroderma.

Implications:

  • This case expands the understanding of scleroderma en coup de sabre morphology and distribution.
  • The proposed genetic model offers a potential explanation for the pathogenesis of linear scleroderma.
  • Further research into mosaicism in autoimmune and fibrotic skin diseases is warranted.

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