Objective To evaluate the effectiveness of prosthetic revision using custom-made long stem prosthesis and allograft-prosthesis composite(APC) for aseptic loosening after bone tumor resection.Methods Between January 2002 and June 2008,14 patients with aseptic loosening after bone tumor resection were treated.There were 8 males and 6 females,aged 21-70 years(mean,43.9 years).The locations were distal femur(8 cases),proximal femur(2 cases),and proximal tibia(4 cases).Pain of the affected limb occurred after 6-...