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This quiz tests your diagnostic skills for leg ulceration.
For each of the ten 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.
When you finish the quiz, you can download a certificate.
What is the diagnosis?
Pyoderma gangrenosum
What are the predisposing factors?
Predisposing factors include inflammatory bowel disease and haematological malignancy. The patient illustrated suffered from Crohn's disease.
What are the clinical features of this condition?
The ulcers tend to develop rapidly and are frequently extremely painful. An overhanging bluish ragged edge to a necrotic wound is characteristic.