Figure 5.
A 17-year-old female patient with osteosarcoma in left distal femur was treated with prosthesis replacement. a 8 years after operation, bone lose and prosthesis loosening could be found on X-ray. Physical examination demonstrated 6 cm limb length discrepancy with 26 in MSTS score and 44 in QOL. b After prosthesis revision, the left lower limb alignment restored and 3 cm limb length discrepancy remained.