7-year-old male with right knee pain MENISCI: The menisci are intact and normal in signal intensity with no evidence of tear or degeneration. ARTICULAR CARTILAGE AND BONE: No significant abnormality noted.LIGAMENTS: The anterior cruciate ligament demonstrates intermediate signal intensity and is discontinuous throughout its course. The posterior cruciate ligament, medial and lateral collateral ligaments are intact. The patellar ligament demonstrates a wavy contour throughout its course, however is normal in signal intensity with no evidence of tear or degeneration. EXTENSOR MECHANISM: The extensor mechanism is intact with no significant abnormality noted.ADDITIONAL
Wavy patellar ligament and an abnormal anterior cruciate ligament without a joint effusion suggesting a chronic anterior cruciate ligament tear.