A 22-Year-Old Soccer Player Comes to the Emergency Department for Evaluation

question 74

Multiple Choice

A 22-year-old soccer player comes to the emergency department for evaluation of a knee injury.  During practice earlier that day, the patient felt her knee buckle when planting her right foot to kick the ball.  Other players on the field recalled hearing an audible pop as she fell to the ground.  The patient was able to limp off the field with help and immediately placed ice on her right knee.  Vital signs are normal.  BMI is 22 kg/m².  On physical examination, the right knee is grossly swollen with limited range of motion due to pain.  She is guarding on examination and has increased anterior translation of the tibia on the femur as compared to the contralateral side.  Which of the following is the most likely diagnosis in this patient?

• A)Anterior cruciate ligament injury
• B)Medial collateral ligament injury
• C)Meniscal injury
• D)Popliteal cyst rupture
• E)Posterior cruciate ligament injury
• F)Stress fracture of the tibial plateau

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