What is causing this scrotal pain?

Hunter is a 10-year-old boy who presents with acute right scrotal pain of 20 hours’ duration.

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.


Image and answer reproduced from Movable discoloration in the scrotum with attendant pain; Emergency Medicine Journal