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Pustules don’t always indicate infection, as sterile pustules may arise in various inflammatory skin disorders. The disorders discussed in this quiz may present as pustular eruptions.
For each of the fifteen cases, study the image(s) and then answer the questions. You can click on the image to view a larger version if required.
Each case should take approximately 2 minutes to complete. There is a list of suggested further reading material at the end of the quiz.
What is this condition?
Tinea incognito
What features distinguish it from other pustular conditions?
Tinea corporis may present as an expanding plaque studded with follicular pustules, particularly when the dermatophyte is incorrectly treated with topical steroids as in this case of tinea incognito. Note the prominent scaly border.