Pustules – 15 cases

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.

Case 1

Secondary infection due to Staphylococcus aureus

Wound infection (first picture) or infected eczema (second picture) may present as pustules due to Staphylococcus aureus +/- Streptococcus pyogenes. These may be itchy or painful.

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