18-year-old female with medial anterior knee pain MENISCI: The menisci are intact.ARTICULAR CARTILAGE AND BONE: Diffuse abnormal signal of the patellar articular cartilage with minor fissuring. No large articular cartilage defects. Small focus of abnormal signal within the subcortical marrow likely represents reactive marrow edema.LIGAMENTS: Anterior cruciate ligament is intact. The posterior cruciate ligament is intact. The lateral collateral ligament complex is intact. The medial collateral ligament is intact. EXTENSOR MECHANISM: The extensor mechanism is intact. Small amount of edema in the infrapatellar fat pad.ADDITIONAL
Abnormal signal within the patellar articular cartilage with minor fissuring and reactive bone marrow edema compatible with chondromalacia patella.