54-year-old female with left knee pain, locking/clicking, and anterior laxity. Evaluate for ACL or meniscal tear. MENISCI: The lateral meniscus appears intact. The medial meniscus appears intact.ARTICULAR CARTILAGE AND BONE: There is moderate degeneration of the articular cartilage of the medial facet of the patella with both blistering and thinning of the cartilage. There is also a cleft through the articular cartilage along the median eminence. There are foci of low signal intensity within the articular cartilage of the femoral trochlea, centrally and within the medial facet, likely representing focal degeneration. The articular cartilage of the tibiofemoral compartments appears intact.LIGAMENTS: The cruciate and collateral ligaments appear intact. EXTENSOR MECHANISM: There are enthesophytes at the quadriceps insertion on the patella, otherwise, the extensor mechanism appears intact.ADDITIONAL
1. No evidence of ACL or meniscal tear.2. Mild to moderate degeneration of the articular cartilage of the patellofemoral joint.3. Mild nonspecific edema along the anterior and lateral aspect of the knee.