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Patellofemoral pain syndrome — ABFM Board MCQ

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EasyMusculoskeletal/Sports medicinePatellofemoral pain syndromeABFM Board

A 17-year-old soccer player has anterior knee pain that worsens when going down stairs and after sitting through class. There is no effusion or instability, and patellar compression reproduces pain. Which of the following is the most likely diagnosis?

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Correct answer: B — Patellofemoral pain syndrome

Patellofemoral pain syndrome causes anterior knee pain provoked by stairs, squatting, running, or prolonged sitting. Examination typically lacks true locking, large effusion, or ligamentous instability.

Reference: AAFP Knee Pain Evaluation Review