Can you detect the source of this head scratcher?

Lee is a 74-year-old retiree who presents with a three-day history of an itchy rash on the forehead. 

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:
  1. Dermatol Online J 2017; 15 Oct.
  2. BMJ

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