A 13-year-old boy presented to the orthopedic clinic with a 1-week history of bilateral knee pain. He was active in sports and participated in long jump. Examination of the right knee showed mild soft-tissue swelling and tenderness over the tibial tubercle, and a taut quadriceps muscle; the exam of the left knee was normal. Plain radiographs of both knees were done (Image attached).
What is the most likely diagnosis? *This case is from Docplexus Editorial Team for educative purpose only Source: NEJM The answer is posted in the comment section. click here .
