53-year-old woman with right medial knee pain MENISCI: There is a radial tear of the posterior horn-root junction of the medial meniscus with a small associated medial parameniscal cyst. There is no meniscal extrusion. There is mild undersurface fraying of the body of the medial meniscus. The lateral meniscus is intact. ARTICULAR CARTILAGE AND BONE: There is diffuse chondral thinning in the medial compartment. There is diffuse thinning of the medial facet articular cartilage of the patella, and full thickness cartilage loss of the medial trochlea with underlying degenerative cyst formation.There are nonspecific degenerative/cystic changes in the posterosuperior humeral head.LIGAMENTS: No significant abnormality noted. EXTENSOR MECHANISM: No significant abnormality noted.ADDITIONAL
Radial tear of the posterior horn-root junction of the medial meniscus with an associated parameniscal cyst. 