A 65-year-old man experienced a spontaneous traumatic hyperflexion, and had eccentric contraction an unusual movement of right knee while walking. Four days after the incident, the patient visited the clinic with a large effusion, lack of motion, and failure to maintain a successful terminal knee extension. Medical & surgical history The patient had a medical history of gout. Surgical history of Osgood-Schlatter disease. Physical examination: His passive range of motion was 60 degrees of knee movement without discomfort.
He was able to walk unassisted with slight pain and a widened leg. Radiological investigations: Several exostoses in the tibial tubercle remained visible on the lateral side. In comparison with a contralateral knee photo, there was a mild superior migration of patella. MRI revealed a tear on the patellar tendon near the staple inserted during surgical intervention for…
