Nail infections

G Midgley1, M K Moore

  • 1Department of Medical Mycology, St. Thomas' Hospital, London, United Kingdom.

Dermatologic Clinics
|January 1, 1996
PubMed

Insights

Accurate laboratory identification of fungal pathogens is crucial for treating onychomycoses, especially with emerging nondermatophyte molds. Proper diagnosis ensures effective selection of antifungal agents for optimal patient outcomes.

Area of Science:

  • Mycology
  • Medical Mycology
  • Infectious Diseases

Background:

  • Onychomycoses (fungal nail infections) are increasingly prevalent.
  • A wider range of fungal organisms are now recognized as pathogens.
  • Nondermatophyte molds like Scytalidium dimidiatum are common in certain regions.

Purpose of the Study:

  • To emphasize the necessity of accurate laboratory identification of fungal pathogens causing onychomycoses.
  • To highlight the role of nondermatophyte molds in onychomycosis.
  • To underscore the importance of precise pathogen identification for effective antifungal treatment selection.

Main Methods:

  • Review of current literature on onychomycosis etiology and diagnosis.
  • Analysis of reported cases involving various fungal species, including dermatophytes and nondermatophyte molds.
  • Discussion of the clinical implications of accurate fungal identification.

Main Results:

  • Dermatophyte and Candida species remain common causes of onychomycosis.
  • Nondermatophyte molds (e.g., Scytalidium dimidiatum, Scopulariopsis, Acremonium, Aspergillus) are significant pathogens, particularly in specific geographic areas.
  • Accurate identification is essential due to the availability of diverse antifungal agents.

Conclusions:

  • Accurate laboratory identification of the causative fungus is essential for effective onychomycosis treatment.
  • The spectrum of fungal pathogens responsible for onychomycosis is expanding.
  • Precise diagnosis guides the selection of appropriate antifungal therapy, improving treatment efficacy.

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