Can you crack the case of this web-space lesion?

Maryanne, a 68-year-old retired nurse, presents with a three-month history of a moist red area between the middle and ring fingers of her right hand.

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.

  1. Dermatol Online J 2018; 15 Aug.