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Related Experiment Videos

Multiple clustered dermatofibromas. Evolution over 20 years.

P Berbis1, T Benderitter, C Perier

  • 1Clinique Dermatologique Hôtel Dieu, Marseille, France.

Dermatologica
|January 1, 1988
PubMed
Summary
This summary is machine-generated.

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Multiple clustered dermatofibromas developed over 20 years in a man. Analysis revealed abnormal accumulation of type IV collagen, indicated by increased hydroxylysine in the fibrous central zone.

Area of Science:

  • Dermatology
  • Biochemistry
  • Histopathology

Background:

  • Dermatofibromas are common benign skin tumors.
  • Multiple or clustered presentations are rare.
  • Previous cases suggest a benign clinical course.

Observation:

  • A 37-year-old man presented with multiple clustered dermatofibromas on his left thigh.
  • The lesions developed over a 20-year period.
  • Similar cases have been previously documented.

Findings:

  • Biochemical analysis of collagen amino acids was performed.
  • A significant increase in hydroxylysine was observed in the fibrous central zone.
  • This suggests an abnormal accumulation of type IV collagen.

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Implications:

  • The findings may indicate a specific biochemical pathway in the development of clustered dermatofibromas.
  • Understanding collagen abnormalities could offer insights into dermatofibroma pathogenesis.
  • Further research is warranted to explore the role of type IV collagen in this condition.