Female, 45 years old. Fall, now with medial knee pain and instability MENISCI: The posterior horn of the medial meniscus shows intrasubstance intermediate signal compatible with degeneration, without discrete meniscal tear identified. The anterior horn of the medial meniscus is intact. The lateral meniscus is intact.ARTICULAR CARTILAGE AND BONE: Bone marrow signal intensity is normal. No focal articular cartilage defects are identified.LIGAMENTS: Cruciate and collateral ligaments are intact. EXTENSOR MECHANISM: No significant abnormality noted.ADDITIONAL
Degeneration of the posterior horn of the medial meniscus without discrete meniscal tear identified.