卢群山;李建民;杨强;杨志平;李振峰;

• 1:山东大学齐鲁医院骨外科

摘要(Abstract)：

[目的]通过影像学观察膝关节肿瘤假体与骨结合部皮质外骨桥的形成情况。[方法]33例膝关节周围肿瘤患者行瘤段骨切除、定制型假体置换术,其中20例植骨,13例未植骨。影像学观察皮质外骨桥的形成情况,评估患者术后肢体功能。[结果]平均随访26个月。所有20例植骨者均有骨桥形成,未植骨者10例有骨桥形成、3例无骨桥形成;25例存在皮质外骨桥下透亮线。按Enneking骨骼肌肉肿瘤术后下肢功能评分标准,33例患者平均功能恢复率为74.3%;[结论]植骨有利于皮质外骨桥生长,皮质外骨桥偏向性生长与局部压应力相适应;透亮线的存在说明目前的假体设计技术可能达不到骨长入性生长。

关键词(KeyWords)： 骨肿瘤;定制型肿瘤假体;皮质外骨桥;长入性生长

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 卢群山;李建民;杨强;杨志平;李振峰;

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参考文献(References)：

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