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The presented case involves the evaluation, diagnosis, and management of a 20-year-old male high-level skier who presented with persistent right knee pain following a ski crash. The patient reported hitting his right knee against a tree during the accident, resulting in intermittent swelling and a sensation of a mass within the knee. Despite some initial improvement in the sensation, the pain then became persistent and worsened by activity. Physical examination revealed limited symptoms during gait and functional movements, as well as restricted medial joint line tenderness and a mildly positive McMurray's test on the right knee. Magnetic resonance imaging findings prompted an orthopedic referral, leading to a right knee arthroscopy. The procedure involved resection of nodular synovitis and a diffuse synovectomy, with pathology confirming pigmented villonodular synovitis (PVNS). Despite post-operative complications, including methicillin-resistant Staphylococcus aureus bacteremia, ultimately, the patient's recovery was successful with the gradual restoration of pain-free range of motion through physical therapy. Follow-up assessments and magnetic resonance imaging scans indicated sustained improvement and no signs of pigmented villonodular synovitis recurrence.