According to the Mallory bone defect classification,five eases were with typeⅡbone defect, with typeⅢA,8 with typeⅢB and two with typeⅢC.

股骨缺损采用Mallory分类：Ⅱ型例,ⅢA型例,ⅢB型8例,ⅢC型例。术中植骨例。