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Related Experiment Videos

Corn contact urticaria in a nurse.

Wendy Liu1, Rosemary L Nixon

  • 1Occupational Dermatology Research and Education Centre, Skin and Cancer Foundation Victoria, Melbourne, Victoria, Australia. wenyuan_liu@hotmail.com

The Australasian Journal of Dermatology
|May 31, 2007
PubMed
Summary
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A nurse experienced persistent hand dermatitis. Allergy testing revealed sensitivities to latex, avocado, and cornstarch, leading to diagnoses of contact urticaria and latex fruit hypersensitivity.

Area of Science:

  • Dermatology
  • Allergology
  • Occupational Health

Background:

  • Persistent hand dermatitis in healthcare workers can significantly impact quality of life and work.
  • Identifying the specific allergens and irritants is crucial for effective management.

Observation:

  • A 33-year-old nurse presented with persistent hand dermatitis.
  • Initial radioallergosorbent tests indicated reactions to latex, avocado, and banana.
  • Despite avoiding latex gloves, her condition did not improve.

Findings:

  • Prick testing revealed a strong reaction to corn, linked to cornstarch in medical gloves.
  • Patch testing was negative for common contact allergens.
  • Diagnoses included corn contact urticaria, irritant contact dermatitis, and Type I hypersensitivity to latex fruits.

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Implications:

  • Cornstarch in medical gloves can be a significant allergen for susceptible individuals.
  • Comprehensive allergy testing, including prick testing for food-related allergens, is essential for diagnosing hand dermatitis.
  • This case highlights the importance of considering less common allergens in occupational dermatitis.