What's causing this orange-peel skin on the elbows?
Jason, a 45-year-old plumber, attends regarding his elbows. He reports that a few weeks ago they became painful, tender, swollen and red.
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 at Australian Doctor.