20-year-old male. Pain, swelling after landing on knee. MENISCI: Bandlike signal abnormality within the posterior horn and body of the medial meniscus extending to the tibial articular surface (series 3, image 10), consistent with a large horizontal/oblique tear. There is blunting of the free edge of the anterior horn of the medial meniscus consistent with a partial radial tear. No evidence of a tear in the lateral meniscus.ARTICULAR CARTILAGE AND BONE: Bone marrow signal intensity is within normal limits without evidence of a contusion. Tibiofemoral and patellofemoral cartilage is intact.LIGAMENTS: The cruciate and collateral ligaments are intact.EXTENSOR MECHANISM: The quadriceps and patellar tendons are intact.ADDITIONAL
Complex tear of the medial meniscus, as detailed above.