- Secondary osteoarthritis of the knee joint: posttraumatic osteoarthritis (developed after clinically significant injury), intra-articular fractures, clinically significant varus or valgus deformities of lower limbs, septic arthritis, joint's inflammatory disorders, gout, advanced chondrocalcinosis, Paget's disease, ochronosis, acromegaly, hemochromatosis, Wilson's disease, primary synovial osteochondromatosis, osteonecrosis, hemophilia