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Nigrospora causing corneal ulcer--a case report

S Muralidhar1, M Sulthana

  • 1Department of Microbiology, Safdarjung Hospital, New Delhi.

Indian Journal of Pathology & Microbiology
|January 28, 1998
PubMed
Summary
This summary is machine-generated.

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Nigrospora, a fungus typically considered a contaminant, caused a corneal ulcer in a rural patient after an insect eye injury. This case highlights the fungus

Area of Science:

  • Ophthalmology
  • Mycology
  • Infectious Diseases

Background:

  • Corneal ulceration is a significant cause of vision loss.
  • Insect injuries are a known risk factor for microbial keratitis.
  • Nigrospora species are commonly regarded as environmental contaminants with low pathogenic potential.

Observation:

  • A patient with a rural background presented with corneal ulceration after ocular trauma from an insect.
  • Microscopic examination of corneal scrapings revealed the presence of Nigrospora.
  • Standard microbiological cultures confirmed Nigrospora as the isolated fungal species.

Findings:

  • This report details a unique case of corneal ulceration caused by Nigrospora.
  • The findings challenge the established view of Nigrospora as solely a non-pathogenic contaminant.

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  • The study establishes Nigrospora as a potential causative agent of infectious keratitis.

    • Implications:

    • Ophthalmologists should consider Nigrospora in the differential diagnosis of fungal keratitis, especially after ocular trauma.
    • Further research is warranted to understand the pathogenic mechanisms of Nigrospora in corneal infections.
    • This case broadens the spectrum of fungi implicated in human ocular infections.