Snapshot A 15-year-old boy presents to his pediatrician with left knee pain. He denies any trauma to the knee. He plays football for his high school team and attends practice regularly. On physical exam, the tibial tubercle is pronounced and there is tenderness to palpation over the affected area. The patient reports pain upon resisted knee extension. Introduction Clinical definition login to view 1 more bullet Etiology Pathogenesis login to view 3 more bullets Epidemiology Demographics login to view 5 more bullets Risk factors login to view 1 more bullet Presentation Symptoms login to view 1 more bullet Physical exam login to view 5 more bullets Imaging Radiographs login to view 4 more bullets Studies Diagnostic criteria login to view 1 more bullet Differential Sinding-Larsen-Johansson syndrome login to view 1 more bullet Osteochondroma of the proximal tibia Tibial tubercle fracture Patellar tendonitis login to view 4 more bullets Treatment Conservative login to view 3 more bullets Operative login to view 3 more bullets Complications Tubial tubericle prominence persists Genu recurvatum Prognosis Self-limiting Responds well to conservative management