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Question

Vitiligo and tinea versicolor are both hypomelanocytic dermatologic afflications. What are some ways to differentiate these two conditions?

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Answer

• Location
  • Tinea versicolor – trunk and proximal extremities
  • Vitiligo – can occur anywhere, but most common on hands and face
• Color
  • Tinea versicolor – hypopigmented, more prominent with sun exposure
  • Vitiligo – milk or chalk-white, no change with sun exposure
• Wood’s lamp
  • Tinea versicolor – fluoresce yellow/green
  • Vitiligo – fluoresce blue/white

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