16-year-old male with knee pain with joint instability. Evaluate for meniscal tear. MENISCI: There is linear increased signal in the posterior horn of the medial meniscus that extends to the inferior articular surface, consistent with a tear. Diminutive anterior horn of the medial meniscus. No abnormality of the lateral meniscus.ARTICULAR CARTILAGE AND BONE: Again noted is fragmentation of the tibial apophysis. Mildly increased T2 signal of the fragmented portions.LIGAMENTS: The cruciate and collateral ligaments are intact. EXTENSOR MECHANISM: The quadriceps and patellar tendons are intact without evidence of increased signal to suggest inflammatory changes. ADDITIONAL
1.Fragmentation of the tibial apophysis with evidence of inflammation suggestive of apophysitis. 2.Tear of the posterior horn of the medial meniscus.3.Moderate knee joint effusion.