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The anterior cruciate ligament is swollen exhibiting altered intensity signal of high T2 signal and intermediate signal in T1WI. Still it showed intact bony attachment and direction of fibers, suggesting mucoid degeneration of the ACL. Small confluent cystic bony lesions are seen in subchondral part of mid upper tibia and mid posterior lower femur near the bony attachment of the ACL exhibiting hyperintense T2 signal and isointense signal in T1W. Simple cystic bony changes related to the mucoid degeneration of the ACL.
Thickened medial supra-patellar plica. Marginal osteophytic formation is seen in the tibio-femoral articulation involving the margin of upper tibia, lower femur, as well as milder osteophytic changes are seen in patello-femoral relation involving the posterior and poles of patella and opposing surface. The joint space is relatively narrowed however the chondral lining is preserved. Moderate joint effusion.