骨巨细胞瘤好发于长骨两端,以股骨下端和胫骨上端多见。刮除术后复发率约50％,因此目前多主张尽量采用截除手术治疗。 这种骨肿瘤过去曾被认为是良性病变,由于有些骨巨细胞瘤侵犯和破坏骨质,术后能复发,恶性程度较高者也能转移,所以目前将它看作介于良性与恶性之间的半恶性肿瘤。其细胞成分主要是多核巨细胞和单核间质细胞。 Giant cell tumor of bone occurs in both ends of the long bone to the lower end of the femur and tibia more common. Recurrence rate after curettage is about 50%, so many advocates try to use surgical resection. This bone tumor was once considered a benign lesion, due to some of the giant cell tumor of bone invasion and destruction of bone, postoperative recurrence, the higher the degree of malignancy can also be transferred, it is currently regarded as between benign and malignant Between the semi-malignant tumors. Its cellular components are mainly multinucleated giant cells and mononuclear stromal cells.