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Infectious causes of pityriasis lichenoides: a case of fulminant infectious mononucleosis

Peter A Klein1, Evan C Jones, Jonathan L Nelson

  • 1Department of Dermatology, School of Medicine, HSC T-16, Room 060, State University of New York at Stony Brook, Stony Brook, NY 11794-8165, USA. PKLEIN00@yahoo.com

Journal of the American Academy of Dermatology
|August 2, 2003
PubMed

Insights

Pityriasis lichenoides, a rare skin condition, may be triggered by Epstein-Barr virus (EBV). This case shows EBV infection developing and resolving alongside pityriasis lichenoides, suggesting a direct link.

Area of Science:

  • Dermatology
  • Virology
  • Immunology

Background:

  • Pityriasis lichenoides is an uncommon skin rash with varying severity and an unknown cause.
  • Infectious agents are frequently suspected as triggers for pityriasis lichenoides.
  • Epstein-Barr virus (EBV), Toxoplasma gondii, and HIV are commonly implicated infectious agents.

Observation:

  • This report details a unique case where a known Epstein-Barr virus (EBV)-mediated process was observed.
  • The EBV-mediated process showed a clear correlation in its evolution and resolution with the pityriasis lichenoides eruption.
  • This represents the first documented instance of such a concurrent development.

Findings:

  • The study provides evidence linking Epstein-Barr virus (EBV) to pityriasis lichenoides.
  • The findings suggest that EBV infection can directly influence the course of pityriasis lichenoides.
  • Pityriasis lichenoides may manifest as a secondary condition following EBV-induced acute infectious mononucleosis.

Implications:

  • This research highlights the potential role of EBV in the etiology of pityriasis lichenoides.
  • Understanding this association could lead to improved diagnostic approaches for pityriasis lichenoides.
  • Further investigation into EBV-Pityriasis Lichenoides pathogenesis may reveal novel therapeutic targets.

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