1. Gonzalez MH, Mekhail AO. The failed total knee arthroplasty:evaluation and etiology. [Review]J Am Acad Orthop Surg 2004;12:436. 2. Arac S, Karatosun V. Total dislodgement of the femoral component following cemented total knee arthroplasty:case report. Acta Ortopaedica et Traumatologica Turcica 2005;39:76. 3. Norrman PO. Dislodgement of the femoral component of a cemented hip.Acase report. Acta Orthop Scand 1998;64:598. 4. Ashworth MJ, Dove J. Dislodgement of the femoral component of a total hip arthroplasty presenting through the buttock. J Arthroplasty 1997;12:589.