61-Dr Ahmed Esawy imaging oral board knee imaging part II include different cases for oral radiodiagnosis examination all over the world CT /MRI Plain X ray images medial collateral ligament tear lateral collateral ligament tear anterior cruciate ligament tear poserior cruciate ligament tear quadriceps tendon tear anterior meniscal tear posterior meniscal tear bucket handle tear unhappy triad chondro-malacia patella knee jiont effusion meniscal flap tear meniscal radial tear meniscal cyst synovitis medial plica syndrome patellar dislocation synovial chondromatosis synovial sarcoma pigmented villinodular synovitis PVN