In some difficult femoral revisions, massive bone loss precluding impaction grafting or distal fixation can be managed by a PFA or, in some situations, a tumor prosthesis.

• 在一些困难的股骨翻修，大块的骨缺失阻碍了嵌入植骨或者远端固定，这时候可以通过PFA解决，或者在一些情况下，通过肿瘤假体解决。