Female 60 years old Reason: History of diabetes, hypertension, JL w b/l knee pain; recent flare up of right knee s/p twist injury on Jan 5th 2016 r/o tear MENISCI: There is intrasubstance increased signal in both the medial and lateral meniscus, likely representing intrasubstance degeneration. No discrete tear is identified.ARTICULAR CARTILAGE AND BONE: Increased T2 edema type signal in the medial tibial patella. There is focal chondral thinning of the medial patellar facet. There is focal fissuring of the cartilage of the lateral patellar facet with underlying bone edema. There is loss of hyaline cartilage along the lateral tibial plateau.LIGAMENTS: Complete rupture of the ACL. PCL is intact. Collateral ligaments are intact. EXTENSOR MECHANISM: Extensor mechanism is intact.ADDITIONAL
1.Complete rupture of the ACL. 2.Intra-articular mass highly suspicious for focal nodule of PVNS.3.Large joint effusion and diffuse subcutaneous edema. 4.Contusion of the medial tibial plateau.