A 12-year-old boy has complained of intermittent pain in his right foot for the past 12 months, in the absence of any precipitating trauma. What is the correct diagnosis in this case?
A 12-year-old boy has been experiencing moderate to severe pain along the lateral aspect of his right foot for the past 12 months. There is no history of preceding trauma. His symptoms are made worse by sporting activity and with walking on uneven surfaces; ankle sprains are frequent, resulting in swelling. The pain improves with rest. He is systemically well.