骨巨细胞瘤。近端股骨已被截肢并切成两半而在干骺端显露出一暗红黑色血肿。骨巨细胞瘤放疗后可溶解。

骨巨细胞瘤：近端股骨(肉眼) 坐骨支(X线) 左坐骨支CT图 高倍镜

Here is a giant cell tumor of bone. The proximal femur has been amputated and cut in half to reveal an irregular dark red-black hemorrhagic mass in the epiphyseal region. Giant cell tumors are lytic on radiography.