36-year-old male presents with right knee pain, evaluate for a meniscal tear. MENISCI: There is extensive linear and globular signal abnormality within the body and posterior horn of the medial meniscus indicating mucoid degeneration with extension through the periphery of the posterior horn of the medial meniscus. There is decompression into a multilobulated parameniscal cyst posteriorly. Additional smaller parameniscal cysts are noted along the anterior margin of the medial meniscus. There is a equivocal extension of the intrameniscal signal to the femoral articular surface of the knee. The lateral meniscus appears normal.ARTICULAR CARTILAGE AND BONE: The medial and lateral compartments are normal. There is a small full-thickness cleft of the articular cartilage of the median eminence of the patella.LIGAMENTS: The cruciate and lateral ligaments are intact. EXTENSOR MECHANISM: The extensor mechanism is intact.ADDITIONAL
Extensive mucoid degeneration of the medial meniscus with decompression into parameniscal cysts, but with equivocal extension to the femoral articular surface. Additional findings as described above.