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.