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Cutaneous mixed infections in AIDS

G E Piérard1, C Piérard-Franchimont, J A Estrada

  • 1Department of Dermatopathology, University of Liège, Belgium.

Insights

This case study details a rare mixed skin infection in an HIV-positive patient. The infection involved fusospirochetal organisms, Cryptococcus neoformans, and an unidentified fungus co-existing at the same skin site.

Area of Science:

  • Medical Mycology
  • Infectious Diseases
  • Dermatology

Background:

  • Mixed cutaneous infections are uncommon, particularly in immunocompromised individuals.
  • Human Immune Deficiency Virus (HIV) positivity can predispose patients to various opportunistic infections.

Observation:

  • A case study of an HIV-positive patient presenting with hyperkeratotic and crusted skin erosions at a single anatomical site.
  • Microscopic examination of the skin lesions revealed a polymicrobial presence.

Findings:

  • The mixed infection involved fusospirochetal organisms, a known bacterial and spirochetal complex.
  • Cryptococcus neoformans, a yeast, was identified as a causative agent.
  • An additional, unidentified fungal species was detected, indicating a complex etiological profile.

Implications:

  • This case highlights the potential for unusual polymicrobial skin infections in advanced HIV disease.
  • The presence of an unidentified fungus necessitates further investigation for accurate diagnosis and targeted treatment.
  • Understanding mixed infections in immunocompromised hosts is crucial for developing effective therapeutic strategies.

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