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[Pityriasis rotunda]

P Combemale1, N L'Hénaff, B Guennoc

  • 1Service de Dermato-Vénéréologie, HIA Desgenettes, Lyon.

Annales De Dermatologie Et De Venereologie
|January 1, 1993
PubMed
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Pityriasis rotunda (PR), a rare skin condition in Europe, was observed in a Congolese male with ichthyosis vulgaris. This case questions if pityriasis rotunda is a form of ichthyosis vulgaris.

Area of Science:

  • Dermatology
  • Clinical Medicine

Background:

  • Pityriasis rotunda (PR) is endemic to Japan but rare in Europe.
  • PR is often linked to underlying systemic or malignant conditions.
  • Some classify PR as a clinical subtype of acquired ichthyosis.

Observation:

  • A 20-year-old male from the Congo presented with pityriasis rotunda.
  • The patient also exhibited symptoms of ichthyosis vulgaris.
  • This co-occurrence is infrequently documented in medical literature.

Findings:

  • The case highlights a rare association between pityriasis rotunda and ichthyosis vulgaris.
  • This presentation prompts a re-evaluation of the classification of pityriasis rotunda.
  • The study discusses the potential inclusion of PR within the spectrum of ichthyosis vulgaris.

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Implications:

  • This finding may influence the diagnostic criteria for pityriasis rotunda.
  • Understanding this association could improve patient management and diagnosis.
  • Further research is needed to clarify the relationship between PR and ichthyosis vulgaris.