A 24-year-old football player injured his right knee while playing. According to the patient, he was standing on the ground with the ball when a player of the opposing team dashed into him, hyperextending the knee posteriorly. The patient says he heard a “popping” sound with the injury . However, the pain was not that severe. Since then, his right knee has felt "loose " , but is "tolerable".

However, since then his leg is crooked, slanting medially when extended. What is the most likely diagnosis? Johns-Hopkins-PEAC and Docplexus invite you to join the PEAC forum, which is dedicated to update and upgrade your knowledge on ambulatory care. The forum consists of 50+ interactive modules , including some challenging topics. Additionally, the forum will provide you with several fascinating and challenging cases concerning osteoporosis and joint injuries and help you to diagnose and manage…