This femur has a large eccentric tumor mass arising in the metaphyseal region 可见股骨骺板处有一体积很大的偏心性肿物。
The tumor is an eccentric , expansile , lytic mass with extension into soft tissue along with overlying reactive new bone formation 肿瘤呈偏心性生长,可见膨胀的可溶性肿块,向反应性新生骨周围的软组织蔓延。