X-ray examination: no osseous connection could be detected at defect region at week 10, broken end was ossified and medullary cavity was blocked, there was small amount of callus appeared at both broken ends displaying irregular shape. 兔骨缺损区放射学检查:于10周X射线拍片见骨缺损区无骨性连接,断端硬化,髓腔封闭,两侧断端有少量骨痂形成,骨痂形成不规则。