A 12-year-old boy presented with a 1-week history of pain in both knees. He is active in sports and had participated in the long jump during the previous six months. Upon further questioning, he reported no specific trauma, fever, or other joint symptoms. Physical examination Right knee - Mild soft-tissue swelling and tenderness over the tibial tubercle Left knee - Normal Plain X-ray of both knees - Sclerosis and fragmentation of the tibial tubercle in both knees, with soft-tissue swelling on the right knee (Shown by the arrow in the cover image).
What is the most likely diagnosis for this patient? Source – The New England Journal of Medicine *This image-based case is from the Editorial team of Docplexus and is meant for educative purposes only.
