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Dyschromia of hands and bronchial asthma caused by sooty molds

Fabrizio Guarneri1, Claudio Guarneri, Serafinella Patrizia Cannavò

  • 1Institute of Dermatology, University of Messina, Messina, Italy. f.guarnieri@tiscali.it

American Journal of Clinical Dermatology
|August 23, 2008
PubMed

Insights

Sooty mold exposure in citrus fruit handlers can cause asthma and skin pigment changes. Further research is needed to understand these fungal-related human diseases.

Area of Science:

  • Mycology
  • Dermatology
  • Pulmonology

Background:

  • Sooty molds are saprophytic fungi feeding on insect honeydew on plants.
  • Occupational exposure to fungi can lead to various health issues.

Observation:

  • A citrus fruit handler presented with hypo- and hyperpigmented skin lesions on his hands.
  • The patient also experienced recurrent bronchial asthma episodes.
  • No signs of inflammation or allergic reaction were noted on the skin lesions.

Findings:

  • Allergic asthma was confirmed via positive prick tests to Alternaria and Cladosporium.
  • The mechanism of fungal-induced skin dyspigmentation remains unclear.
  • Hypothesized mechanisms for dyspigmentation include fungal pigment penetration or cytotoxic effects on melanocytes.

Implications:

  • This case highlights potentially underestimated sooty mold-related human diseases.
  • Emphasizes the need for protective measures and education for individuals handling sooty mold-infested materials.
  • Suggests further research into the pathogenic roles of sooty molds in human health.

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