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Related Experiment Videos

[Cutaneous vasculitis disclosing cat-scratch disease]

P Schmoor1, H Darie, F Maccari

  • 1Service de Dermatologie, Hôpital d'Instruction des Armées Bégin, Saint-Mandé.

Annales De Dermatologie Et De Venereologie
|January 29, 1999
PubMed
Summary
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Cat-scratch disease, caused by Bartonella henselae, can manifest as vascular purpura and lymphadenopathy. This case highlights the bacterium

Area of Science:

  • Infectious Diseases
  • Dermatology
  • Immunology

Background:

  • Cat-scratch disease (CSD) is a bacterial infection caused by Bartonella henselae.
  • CSD is typically associated with lymphadenopathy following a cat scratch or bite.
  • Cutaneous manifestations, such as purpura, are less common but recognized complications.

Observation:

  • A 49-year-old woman presented with vascular purpura and leukocytoclastic vasculitis.
  • She had a history of cat ownership and a scratch scar.
  • Subsequent development of suppurative lymphadenopathy confirmed CSD via serology and PCR.

Findings:

  • Bartonella henselae was identified as the likely cause of the patient's cutaneous vasculitis.
  • The vasculitis and CSD occurred concurrently.

Related Experiment Videos

  • No evidence of Bartonella henselae endocarditis was found, which could also cause vasculitis.

    • Implications:

    • This case suggests Bartonella henselae may cause hypersensitivity vasculitis, potentially linked to subclinical or asymptomatic CSD.
    • The findings expand the spectrum of CSD presentations.
    • Increased awareness of CSD as a cause of vasculitis is warranted.