Spot Dx — What’s behind these shin spots?

Gerald is a 52-year-old IT technician who presents with a six-month history of otherwise asymptomatic pigmented spots on his shins.

Test your clinical know-how by taking the quiz below. If you select the wrong answer, have another go — you can try as many times as you like!

Dr Kate Kelso is a GP and medical editor at Australian Doctor.

References on request from Dr Kate Kelso.

Photo reproduced from The BMJ, Iversen L, Bygum A. 363:k4882, 2018, with permission from BMJ Publishing Group Ltd.

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