62-year-old female with a history of osteoarthritis presents with left knee pain. Please note the study is somewhat suboptimal due to patient's morbid obesity.MENISCI: The posterior horn of the medial meniscus is abnormally small which may be secondary to degenerative changes and/or tearing. The anterior horn of the medial meniscus is also abnormally small. The lateral meniscus is intact and unremarkable.ARTICULAR CARTILAGE AND BONE: There is marked loss of articular cartilage, particularly of the medial tibiofemoral compartment. The cartilage of the lateral tibiofemoral compartment is unremarkable. No focal defects are identified in the patellofemoral compartment.LIGAMENTS: The anterior cruciate ligament, posterior cruciate ligament, medial collateral ligament, and lateral collateral ligament complex are intact.EXTENSOR MECHANISM: The extensor mechanism is intact.ADDITIONAL
Severe osteoarthritis of the left knee with almost complete loss of hyaline cartilage medially.