Do these lesions seem a bit fishy?

Jeremy, a middle-aged pet shop owner, presents complaining of a nodule on his left hand that has been present for the past six weeks.

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 Paul Muthiah is a GP on the Central Coast, NSW, and medical co-editor of Australian Doctor.

  1. UpToDate, non-tuberculous