#oldrecallmccqe1
A 35-year-old woman is evaluated for a 5-day history of acute right knee pain that began when she hopped down from the bed of a truck, twisting her knee. She experienced a popping sensation and a gradual onset of knee joint swelling over the next several hours. Since then, she has continued to have moderate pain, particularly when walking up or down stairs. She reports no locking or giving way of the knee or any previous knee injury. On physical examination, the right knee has a minimal effusion with full range of motion. The medial aspect of the joint line is tender to palpation. Maximally flexing the hip and knee and applying abduction (valgus) force to the knee while externally rotating the foot and passively extending the knee (McMurray test) result in a palpable snap but no crepitus. Which of the following is the most likely diagnosis?
(A) Anserine bursitis
(B) Anterior cruciate ligament tear
(C) Meniscal tear
(D) Patellofemoral pain syndrome
A 35-year-old woman is evaluated for a 5-day history of acute right knee pain that began when she hopped down from the bed of a truck, twisting her knee. She experienced a popping sensation and a gradual onset of knee joint swelling over the next several hours. Since then, she has continued to have moderate pain, particularly when walking up or down stairs. She reports no locking or giving way of the knee or any previous knee injury. On physical examination, the right knee has a minimal effusion with full range of motion. The medial aspect of the joint line is tender to palpation. Maximally flexing the hip and knee and applying abduction (valgus) force to the knee while externally rotating the foot and passively extending the knee (McMurray test) result in a palpable snap but no crepitus. Which of the following is the most likely diagnosis?
(A) Anserine bursitis
(B) Anterior cruciate ligament tear
(C) Meniscal tear
(D) Patellofemoral pain syndrome
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