Reason: ? Meniscal injury History: knee pain. MENISCI: Complex tear of the medial meniscus including a horizontal component through the body and oblique components through the posterior horn that extend to the femoral and tibial articular surfaces.The lateral meniscus is intact without discrete tear.ARTICULAR CARTILAGE AND BONE: Diffuse thinning of the medial compartment with full-thickness defect involving the weightbearing portion of the medial tibial plateau with underlying mild bone marrow edema. Moderate thinning of the lateral compartment. Full-thickness thinning of the lateral trochlea and lateral facet of the patella. Moderate thinning of the medial facet of the patella and near full-thickness thinning of the medial facet of the trochlea.LIGAMENTS: The cruciate and collateral ligaments are intact. EXTENSOR MECHANISM: The extensor mechanism is intact.ADDITIONAL
1.Complex tear of the medial meniscus as described above.2.Severe osteoarthritis as described above.3.Moderate joint effusion.4.Small Baker's cyst.