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Persistent rash on feet.

Theresa Vo1, Richard P Usatine1

  • 1University of Texas Health at San Antonio, San Antonio, TX, USA.

The Journal of Family Practice
|February 6, 2018
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Summary
This summary is machine-generated.

A patient presented with a persistent, itchy rash between her toes. Wood's lamp examination revealed a fungal infection, leading to a specific diagnosis and treatment plan.

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Area of Science:

  • Dermatology
  • Medical Mycology

Background:

  • A 49-year-old woman experienced a 4-month rash between her toes.
  • The rash was characterized by scaling, maceration, odor, erythema, and pruritus.

Observation:

  • Standard potassium hydroxide (KOH) testing yielded negative results.
  • A Wood's lamp examination was performed on the affected toes.

Findings:

  • Wood's lamp examination revealed characteristic fluorescence, indicating a specific diagnosis.
  • The diagnosis was confirmed to be a superficial fungal infection.

Implications:

  • This case highlights the diagnostic utility of Wood's lamp in challenging dermatological cases.
  • Accurate diagnosis is crucial for effective treatment of interdigital tinea pedis.