![]() ![]() Adolescents are commonly affected by the disease. ![]() Swelling and effusion of the joint may be seen.Fracture of tibial tuberosity apophysis is seen. ![]() Defect present superior to superior pole of patella.Varus stress test is positive for Lateral Collateral Ligament (LCL).Valgus stress test is positive for Medial Collateral Ligament (MCL).Posterior drawer test and Dial test positive for posterior cruciate ligament (PCL).Lachman test and Anterior Drawer test positive in Anterior cruciate ligament tear (ACL).It may show signs of early degeneration and cartilage wear due to ligament injury.It also aids in distinguishing acute versus chronic tears.It helps to identify partial or complete tear.It may show associated avulsion fracture.McMurray's est positive for meniscal injury.It also aids in management plan for meniscal injury.It helps identify the type of tear and classify the tear.Angiography of the lower limb is mandatory to check blood flow to the lower limb and decrease the chances of vascular insult.MRI shows damage to internal structures such as muscles, ligaments and neurovascular bundle.CT confirms the x-ray findings and shows any osteochondral injury.Identifies damage to retinacular ligament and orientation of the surrounding muscles.Identifies damage to medial patellofemoral ligament.Helps to identify accompanying patellar tendon injury.Tuberosity avulsion and displacement is seen.Inability to do straight leg raising test. ![]()
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