49 year old female. Right knee pain. Evaluate right knee for loose body versus meniscus tear. MENISCI: Medial and lateral menisci are intact without evidence of a atear.ARTICULAR CARTILAGE AND BONE: Small area of near full thickness to full-thickness cartilage loss in the weight-bearing surface of the medial femoral condyle (series 4, image 18). High signal abnormality and mild fraying of the articular cartilage of the patella diffusely; no full thickness defect.Bone marrow signal intensity is within normal limits.LIGAMENTS: ACL, PCL, MCL, and LCL are intact.EXTENSOR MECHANISM: No significant abnormality noted.ADDITIONAL
1. Small area of near full thickness to full thickness cartilage loss in the medial femoral condyle. 2. Patellar chondromalacia with mild articular cartilage surface fraying.3. 4 mm loose body in the lateral recess of the suprapatellar pouch.