Medial knee pain and locking for 2 weeks after skiing accident. MENISCI: The menisci are normal in appearance.ARTICULAR CARTILAGE AND BONE: No significant abnormality noted. No bone contusions are noted.LIGAMENTS: The proximal and mid fibers of the anterior cruciate ligament are indistinct and appear thickened with edema type signal suggestive of high grade partial tearing or complete tear. The PCL is intact. The collateral ligaments are intact. The medial retinaculum is prominent, which may be of no clinical significance. EXTENSOR MECHANISM: No significant abnormality noted.ADDITIONAL
Abnormal appearance of the proximal ACL suggestive of high grade partial tearing or complete tear at its proximal aspect. 