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 five 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.
A 14-year-old student has had mild facial acne for the last year or so, managed by washing his face twice daily and applying benzoyl peroxide gel at night. In the last two months he has developed large painful nodules on his face and neck. His mother reports he is staying in his bedroom and refusing to go to school.