Subchondral T2 and PD hypointense crescent line is noted at medial femoral condyle with cortical surface irregularity and moderate surrounding marrow edema reflecting spontaneous osteonecrosis of the knee.
Complex meniscal tear is noted at the anterior horn lateral meniscus and also at the posterior horn medial meniscus. Grade I sprain of the medial collateral ligament.
Thinned out retropatellar and medial femorotibial cartilage with subchondral cysts reflecting osteoarthrosis. Mild joint effusion with synovitis. Mild subcutaneous edema around the knee. Semimembranosus bursitis is also noted.