Keywords: pseudarthrosis of the tibia, arthrofibrosis of the knee, loose body in the hip, loose body in the knee, osteochondritis of the knee, avascular necrosis of the knee, bursitis of the hip, 2 stage revision of knee replacement, 2 stage revision of hip replacement, loosening of a total knee replacement, loosening of a total hip replacement, recurrent dislocation of a total hip replacement, cartilage damage of hip, synovectomy of knee, resurfacing of hip, resurfacing of acetabulum, removal of knee prosthesis, removal of hip prosthesis, reconstruction of hip, lesions of posterior tibial nerve