OBJECTIVE to quantitatively analyze the changing status of osteolysis in proximal femur after total joint replacements TJR through the changing rules of bone density in proximal end of femur.
目的：通过股骨近端骨密度的变化规律，定量分析人工全关节置换术后股骨近端骨溶解改变情况。
OBJECTIVE to quantitatively analyze the changing status of osteolysis in proximal femur after total joint replacements TJR through the changing rules of bone density in proximal end of femur.
目的：通过股骨近端骨密度的变化规律，定量分析人工全关节置换术后股骨近端骨溶解改变情况。
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