Female 68 years old Reason: please evaluate rt knee swelling s/p fall and direct knee injury, soft tissue mass adjacent to rt knee medially There is a large fluid collection measuring approximately 8.8 x 3.0 x 8.8 cm (axial by craniocaudal) which is located within the subcutaneous fat in the medial aspect of the knee, is T2 bright with a few septations, most consistent with Morel-Lavalle injury. Minimal peripheral enhancement. No large hematoma. No significant pathologic enhancement.MENISCI: The menisci are intact.ARTICULAR CARTILAGE AND BONE: Generalized thinning of the trochlear, medial compartment, and lateral compartment cartilage. No focal full-thickness cartilage defect.LIGAMENTS: Ligaments, including the ACL, PCL, MCL, and lateral collateral complex are intact. EXTENSOR MECHANISM: Mild soft tissue swelling anterior to the patellar tendon. Extensor mechanism is intact.ADDITIONAL
1.Morel-Lavalle injury within the medial subcutaneous soft tissues of the knee. 2.Generalized cartilage thinning without focal full-thickness defect.